you will know that you already love someone when you can't get that person out of your mind. you always think about him/her. you always want to know what's happening in his/her life. you get easily affected with his/her actions. he/she will put a smile on your face even if you're having a bad day. =)

1.Your heart beats faster when geting close to him/her. 2.He/she is the priority of everything. 3.You deam of him/her. 4.Suddenly,you lose your interests to other opposite sex,you only want this one.

I become really stupid and I always think about him

missing him every moment ....

You mean you don't know? You need some help!