I need some advice from social guys in highschool...?

ok so yes ima guy, im16 yrs old an ive had a prob with talking to guys all my friends have been girls. and its not that i dont like talking to guys its just that everytime i do guys look me off and kinda act like wat i say isnt that important like theyll listen to be nice but overall they dont care, basically my conversations dont rlly go well with guys and i wud like to have sum guy friends any advice?