credit goes to Natocuty

You need to understand that the "you" now is good enough.
Seriously. You need to know that in life you can't please everyone. You just can't. However you need to please yourself. Your parents opinion doesn't matter. Your friends opinion doesn't matter you know whose opinion matters? Yours. Just yours.
When I was little my mom used to tell me the same thing, that "I was too fat" and well I let her words affect for the most part of my life when I shouldn't have but I simply didn't know any better. But you know what I realized? I realized that her words were meaningless. Words are a bunch of letters combined together, right? A word in itself isn't meaningful but we are the ones who give it meaning. Only when you believe something does it become a reality. I believed her words and so I (yes I) was the one who gave them the power to control my life. I surrendered to them when I shouldn't have.
"you're too fat." well I know I'm not but you can say whatever you, I won't believe you anyway.
"you're too skinny." Okay, that's your opinion and I respect that but I don't really care.
Don't let their words affect you.
You are not who they say you are. You are not fat. And even if you were, who cares. You know why? Cause you are much more than your body. You are so much more.
Don't define yourself by other people's words.
And don't define yourself by your body.
Now I want you to imagine the following, imagine your body as another person altogether. What would you say to that person? Imagine it as a childhood friend, someone with whom you've spent your entire life with. Someone you love and care for. What would you say to them then?
You know what I would say? You may be flawed but to me you are perfect. You may be flawed but I love you. I love you because you took care of me and supported me from the day I was born till now. I love you because you are all that I have. I love you because despite all of the things that I put you through you still love me. I love you because despite all of the pain I inflected upon you, you still haven't given up on me.
That friend loves you. And all you need to do is to love them back.
When you love yourself you cease to care about the opinions of others because you realize that in the end only yours matter.
And I want you to take each day as it comes. Try not to skip a meal. And if you feel like purging. Just take a step back and breathe. Tell yourself that "you are beautiful just the way you are" because you are, you are, I haven't seen you, that's true but your personality tells me that you are indeed a beautiful individual. Tell yourself, "that you ate because you were hungry, because your body needs food to function, to be healthy, because you owe your body at least that much, because you need to take care of it like it takes care of you." And most importantly, tell yourself, "that no matter what, you will still be beautiful because what matters is not what's on the outside but what's on the inside and on the inside you are and you will remain as beautiful as ever."
And I know it's hard. It takes time. Some days you'll succeed others you won't and that's okay what matters is not giving up. You failed today, that's okay since you'll gain the fighting spirit to make the next a success. As long as you want to recover, as long as you are willing to get better you will. But it takes time. Baby steps. Let's take baby steps and eventually you will manage to get better. You will. Just remember that you are worth it. And that you deserve to be happy as much as the rest of us.