Quitting won't do you any better, will it?
It seems you have lost the main focus of writing.
Why did you first start writing fan fictions?
You wrote to share your ideas and thoughts. Be it able to captivate the readers' interests or not; that isn't priority.
I know lots of people who write for fun. Writing is their passion and they write on their own will. Like you probably once had.
Readers leaving from one to another isn't rare and it happens all the time. But look at the other side, new readers come to you as well. What is there to worry about? Do you really not trust your readers? There are loyal readers and also 'flings' but as long as you keep writing, you'll never lose readers. It's their loss for not recognizing good stories out here. I've not been reading on AFF for long. Probably around a year and a half. And I've only started following you for maybe 4 months for now. What I have to admit is that you're ideas are one of a kind. I can't say a writing is 100% original, I don't read all fanfictions so I can't judge on that. But look at all the featured stories out there. They're all generic. Again and again you'll come across the same storyline and plot. Why? It's what teens like nowadays. I've had my phase where I'd always survey the featured stories, but sad to tell most of them are just recycled ideas. Just a mixture of every other piece of work. My impression on your writing however is really different. I like how your ideas just come out suddenly when you're having silly conversations with your close ones and friends. They're different. Because you have someone there to read, you keep writing. That I understand. But you have to stand firm on your feet. You have to remember that you write not only for others but also yourself.
Don't be paranoid. Maybe people are starting to have higher expectations on you, occasionally commenting negatively; that doesn't mean they didn't enjoy your writing. We're still here because we like your fanfics.
Stay strong.

You're writing isn't terrible.
I'll be completely honest with you, it's some of the best I've seen on AFF, and I've seen quite a lot.

I don't know where you got the idea that your skills are deteriorating but I think that their great.

With story writing, I feel the same, I've put off writing up my chapter fic for almost 6 months now because it just doesn't go right but I still try because of my suscribers because even if it's few, there are still people who are willing to read it.

unnie u are a good writer. Your stories always impress me even before i got an account. i always used to say that u write good and now that i have one i want to tell u now. i think the reason why people say that is because their stories arent as good as yours. and thats why they bash on you. so dont give up no matter what. unnie hwaiting

Your a good writer! Dont let anyone tell you otherwise! And it's alright that your ideas dont translate well onto paper! It's part of being a writer, and dont force yourself to write something! If you do, they usually dont end up good! Im only subscribed to one of your fics, but that fic was one of the stories that really wanted me to try writing. If you get stuck not writing, well focus on something else and just wait it out. Be patient and maybe that spark that got you writing the fic will come back. Writing takes time, and I can tell that you really love writing through your writing. So dont give up!! Fighting!

...someone stole my nickname for you? D= I might need a new one now.
I'VE BEEN HERE SINCE THE BEGINNING! AND I'M STAYING! <3

GOOGOOBEAR!!!!!!! (i hope you don't mind that i come up with pet names for you.... i always say them in my head...)
Don't think that way! No one hates you, and if you mess up - which I don't think you will - you're only human and whoever gives you for it deserves to get run over...by...a door, cause I don't want anyone to die...
I LOVE YOU! And I will forever be a faithful reader!!!!

Nobody is going to hate you for not updating I still love your stories and I know I have not updated my stories in like a year because of writers block. Just hang in there. Fighting!!!! ;D

To be honest, I don't know why you think your recent stories are decreasing in quality. I think all of them are awesomely awesome. I understand the pressure that knowing that so many people are reading what you write, but just know that you also have many loyal fans and friends who will remain by your side, no matter what you write or what happens. You shouldn't feel pressured by the amount of people, nor what they have to say. It's your own stories that you should credit yourself completely with. Just know you have another loyal follower here. ♥

don't feel bad everyone has a slump, u are doing great. hang in there and a great idea will come to u soon.

Please don't feel this way! You are ANYTHING BUT mediocre. Before I found your fanfictions, I just didn't read fanfics at all because none were as good as yours are. You say your writing keeps getting worse and worse, but all I've noticed is it getting better. Even though I read Nausea once it was all done, it made me go back and read all of your fanfics you wrote because it was so good! Please don't give up writing. You can make a career out of it someday, and nobody should give up on a talent that they do so well in :) GOO HWAITING!

Goo, I know I've only been on here for a couple of months, but I mean it when I say that you are one of my favorite authors on this entire site. Every time you update/post a new fic, I get all giddy and excited, it's rather embarassing lol. Your writing is faaar from amature, honey, you are a true, brilliant talent. You know I'm a huge fangirl of yours, and I often find myself thinking, 'I wanna be as good as Goo~'. Seriously. Have a bit more confidence :) If people didn't like your fics, we wouldn't all be here. I can only imagine how much pressure you must feel from all us subbies, but please know we all love you TT^TT YOU INSPIRE ME TO BETTER MY WRITING. Yup.
In short, you're ing amazeballs and I still wanna marry u, but u no love me. Y U NO LOVE ME?!!!! D:<
Oh yea and if u ever leave AFF I WILL ING HUNT YO DOWN. 2 of my other favorite authors have already bailed and if u left, idek what I'd do...

aw, baby girl, I didn't realize you had these kind of feelings. I thought of you as so cool, confident, creative, unstoppable, unbreakable. Always writing, never giving a what others thought of you, and constantly gaining subbies and proud of it lol. I admire you and am a bit jealous of your popularity on here ^^ Having subbies is a good thing, so I wish you wouldn't feel scared or intimidated by them. Hopefully, they'll all stick around but if they leave it's their problem not yours. I'm sure the quality dropping is just your imagination and I hope you'll be able to get inspiration for a chaptered fic soon! As a friend, I feel bad for not reading more of your stories T.T I promise I'll never leave either.

Aw ma you're not mediocre. The crap that gets featured, especial that dbsk4chick or whatever her name is, that's mediocre. I don't read crap and if something is crappy I let the authors know, feelings be dammed lol cuz one thing I cant stand is ppm taking the art and basic human skill of writing and storytelling and ing it up. So you hush your mouth about you brig a bad writer cuz then you're telling me I'm wrong. And I am never wrong. Or I wont admit it easily hahaha