how to tell a guy likes a ger?

1.the guy will try to nake u laugh
2.he will flirt with you when he can
3.he might try to show off around you
4.he will help out if you ask for it
5.he will stick up to you when u need it most
6.he will be friendly to you and all your friends
7.he may call you for no good reason
8.he will make fun of you all the time
9.he will tell you did good even if you did horrible
10.he will make a eye contact with a happy grin on his face