Hi Dear,
There are many reasons for being fad up of things in life, In your case, it is must for me to know why you felt so. Your profession need to know the child physcology then only you will understand how to enjoy the teaching.
Well i can suggest few things to you that will help you out.
1) Read the child physcological books
2) Or browse related sites.
3) Please donot involve your personal tensions in to professional life.
4) Read humen physcology books as well.
Regards
Nazia