i feel odd to face people

i used to masterbate from 11 years of age. now i am 24 years.i used to masterbate 2-3 a day and after masterbating i didnt took diet .so after some months i began in change at my face.it started to bacome skiny. but i was a fat guy before.it is 8 yrs i hav been suffering from that problem.and i feel odd to face people