does he really like me?

ok so im not sure, slot of girls like him and he's really cute :) i go to p.e. and i when i go to the play ground where guys play around and my friends (guys) are there too standing with him they're laughing and talking, when i came to them the guys were still continuing what they were doing but the guy i like froze and just stood there quietly. and he trried to hang out with the guys i always hangs out with does he like me??