IS IT POSSIBLE HE GOT SCARED?

my crush is a lunatic it seems.i messaged him once he neva replied,then i call him he talks really awkwardly to me after that a series of messages followed all frm ma side n well he basicalle ignored all of dem.he is a shy kid by nature,really weird,doesnt talk much n stuff,nerd n all bt still wats his problem?i messaged him saying i had a crush on him he neva replied back i tried talkng he neva received ma calls.y cant he just face things like a real guy?if he doesnt like me n i noe h doesnt then clear it out.y is he ignoring me?i really dont noe wat he feels or thinks abt me n well now i hardly care,bt still guys do u usually act like dis like a jerk all d time?wat shud i do?theres no point texting or calling him he neva replies,n i wont be mwwting him nytime sun.i just want to clear things up dats it..