Skin can only stretch so far. This is the primary reason, I think.
I'm sure there is a point in weight where Chelsea wouldn't want them bigger either.
>>4204405This is the primary solution for most cases and probably
>>4204323's, but when we're talking huge sizes in the range of 60 pounds there's no way a bit of technology and exercise alone can help you. Think about it: that's half many girls' total body weight.