Dopple took breath and gave her a simple answer. "If i was to walk up to you and ask you nicely if I could feed on your emotions for food would you let me. As different as you are from a pony your not...this" He motions around himself "I could be as nice as Celestia and all the ponies would see is a hideous monster. So thats why my kind has to steal because nopony would willingly give to us."