Am i crazy inlove :(?

ok well i like this boy named blah blah and well ok see heres the story my bff used to go out with him and broke up shes over him and my other bff likes him and wants to go out with him im his best girl buddie theres just one problem im inlove with him INLOVE i can NEVER stop thinking abpout him and every time i hear a love song like nothing on you by b.o.b and bruno mars i think of him i weight like 120 and hes like 90!!!!!!! big difference and everyone at my school like the boys tease me and they say oh ur fat watever cuz thrs a girl that wegihts 200 idk y there talking about me watever but yeah and everyoone knows i like him even he knows i dress up pretty just for him ughh he doesnt notice me only as his friend and my skinny friend that likes him is mad at me because of me liking him but wateve so what shoulod i do ???? im like amesley inlove and i cry sometimes because we will probably never be together help??:(