I dont know whats wrong with him plz help asap?

Preston hasn't really been himself lately he wont except my friend request and today i went to the skating rink and i saw him there and i didn't notice him so i gave his friend Trent (my kinda big bro) a hug and then his friends started calling my name justice across a lot of tables and i said what and there like oh the dude u like is here and i like repeated back good to know and then i said hi to him they went somewhere else and i saw these girls that they were talking to and there like those guys are so annoying and i told them i liked Preston and they went up to him i wasn't there and then there like hey u do u like justice he nodded his head yes but then his friends looked at him and then he nodded no also i was sitting by myself so him and Trent came over and Trent is like im sorry for ignoring u sis lol but then i left and came back and he came back and said hey justice whats up are u lonely im like no im good and he said well even if ur not im gonna get ur friends to cheer u up and so that's what he did and he let me wear his awesome blue sunglasses so does he like me and y was he acting like that in front of his friends