Im VERY skinny, IDK why... Even though I eat alot :\Im just 50KGs & Im 15Its kinda annoying... Some girls told me I would be the best looking guy in my class if I was a lil fatter D:ME WANT FAT NAW D:What Im doing this December is literally just eat ALOOT of sweets & Stuff & Just stay on bed & Sleep or play PS3/PC all day long...I dont walk more than 50 steps a day these days, See if I can gain some weight :P
You don't want fat, you want muscle. Never try gaining wait, it will screw you over in the long run.