Dont you wish you werent the fat funny girl that noone took serious?

frankly im tired of being the fat funny girl of the group. witch none of my guy friends take me serious by now i think they think im gay but im not and i've had a crush on my best friend since forever and he doesnt even know and the sucky part about it is that hes always talking about this girl...i guess he likes her....but i dont kno what todo wat should i do?