How can "brains and beauty" LOGICALLY connect to "obese and ugly"?
The crux of the matter is that people who have brains usually also have morAls  
1) punctuation helps
2) logics help even more so
3) get rid of stereotypes. You should be old enough to know that you find any kind of people anywhere in the world.
PS: the English flag doesn't display here, only the Union Jack…