Give up 이메일 account?

I want to 삭제 my YouTube account because I feel that I'm not 안전한, 안전 anymore. But I figured that I also had to 삭제 my:
Web History
구글 Talk
and GMAIL?!

Okay, I will defineatly give up my YouTube account, but I JUST CAN'T 삭제 MY GMAIL!!

So.. WHAT DO I DO?!