User blog comment:Chopperman1.0/Jewelry Bonney Devil Fruit powers/ability/@comment-3202520-20110720101904

the xplanation is very vague but i think you're saying this:


 * person eats good/healthy(vegetables; meat; water; rice etc in good quantities) turns them into childs
 * person eats bad/unhealthy they turn old

the logic would be like you eat healthy and you live longer(becomes a child) you eat bad you live less time(becomes old)

this could also be associated with her semingly bottomless stomach