Gonna start mega weight gaining!

*eats eats eats*
*sick sick sick*
*ulcer*
*lose weight*
-WTH-
*eats eats eats*
*sick sick sick*
*ulcer*
*lose weight*
-ZOMG-

LOL! Why can't I just gain weight.. T.T
I want to cry aready.. ):
Any tips that can gain weight fast and not get sick? o:

Feel free to share with me. Please..