HELP IDK WHAT IT MEANS D:?

ok so this guy i rlly like came over and i never get to see him bc he lives so far away and the 2 nights he was over we kissed etc ( nothing rlly serious no more then kissing ) and then when we went to drop him off he hugs me and give me a small kiss on the neck and tells me to b good .... our parents where watching at that time... now i find out he has a gf so idk what to think i could like feel like love from him when we kissed and he nvr let his eyes off me soo idk ( btw i kindve feel bad for his gf, and i so wouldnt of done anything if id known)