1 flirting
2 acting playful
3 talking about you around his friends
4 staring at you
5 asks you out
6 his friends play around saying weird stuff
7 when he says something funny, he looks at you to see if you laughed
If he shows other signs that he likes you he probably likes you.
Flirting, blushing, touching you more often
You should show signs that you like him (flirt), and then if he shows you signs that he likes you back, then that means he must be interested.
Rene
If he likes you back, he may do the same back.
kiss them
then you gonna have to ask him somehow.
It depends on if the person likes you back
Not too intimately.
You should go for it if you know that person likes you go for it no holding back.
What_are_the_signs_that_a_guy_likes_you_back
It means he likes you back, OBVIOUSLY.