Does this boy like me ?

ok soo my brother (ryan) he has a friend( justin )that i really like but i dont know if he likes me.. soo one time i was with my friend jenna and gianna and he was walking with us and i said hi 2 him he is like hey brittney! and we walked for a little bit then i said something funny and he said to me you are really funny! and we were at the mall but i was not with him i was with other ppl and i saw him and we looked at each other aand looked away then he was keep looking at me and i was keep looking at him then some boy i know he ran up 2 me and gived me a hug and justin looked at me like he was sad that the kid was hugging me and he is sometimes shy around me lol soo what you think?