<p>It is for the additional Yale essay, describing myself. I intend on it being a little humorous and trying to gain weight</p>
<p>I think that as long as you do it humorously, it should be fine. Just keep in mind that there may be female adcoms who, like me, would love to have problems keeping their weight UP. 
In short, just avoid sounding at all like you’re bragging and you should be fine.</p>
<p>as a skinny girl myself i LOVE this idea… people tend to foget problems go both ways</p>