In a puff of smoke, your friend was back to being normal excpet there was one problem.
UUMMM, can you hand me my clothes.
She was still only wearing training pants. Her boobs had grown back and she had grown back.
Sure, here.
You hand her the clothes.
Thanks, so you got a book that can make people older or younger?
Yes, and turn them into animals and such.
Cool, but lets stick with the age part.
Ok.
What do you want to do?