So I applied for this job in Guangzhou, China to be an English teacher to kindergardeners... 

And I thought they wouldnt really give me much of a chance as I havent got much in the way of qualifications or life experience. 

BUT...

They contacted me today and said they were impressed with my enthusaism towards the position. (I did write a pretty large covering letter explaining how I want to go out in the world and do what I love the most, teach.)

And I have a skype interview on Sunday! 

I'm so excited and nervous! I'm usually quite bright and bubbly... but I'm worried that I might not show my best side because of my nerves. If I get this job I can go to China for a year and finally achieve the dream of teaching, although I want to teach in Korea too... My mother wont let me as it's too risky :( plus they want people with uni degrees and the most I have is 'further' education... :( 

I need some tips on how I can calm my nerves down, when I'm with someone in a normal environment where I dont feel like I have to be formal I'm really out-going. But when I'm in interviews I feel the pressure, ya' know?

HELP