My BBOYY FRIEND IS PRUDE!!!?

my boyfriend is embarrised to even touch me in school! Like he doesnt hold me or do anything!! Omg what do i do???>? he says he doesnt like PDA! But its what girls thrive on!! ??? What do i do about it ! I have tried everything! I 've even talked him about it and he says he will but NEVER Does anything!! <3333