User blog comment:Ryuzakiforever/It All Makes Sense Now/@comment-22857866-20121121205832

Well maybe the smiles that Impel Down guards ate werent perfect and thats why they acted more animal like then human....then they could have been improved and you get the smiles that the likes of pekoms and bepo and then CC perfected it achieving waht Momonosuke ate,thats my theory.