if u r hanging in a group, people tend to laugh while looking at the person they like.

I like u😐 i thought u felt that one already

If he acted normal before liking you, then he suddenly changed, then try to find signs from him. Most probably he will show signs that he is interested to you, if he laughs on every jokes, if he looks to your eyes when u talk ...... i think u will understand me

Is he spending time with u, checks up on u, talks to u abt serious stuff

Google it u will get all info

They will become mean to you