This isn't a negative response it's my opinion as somebody who is married to a gila monster and a 21 year old komodo dragon himself, who's been around before amphibians turned into reptiles.
She can't get away with being a lizard because she's not lizard. Period. Her tongue is not long, thin and and split at the tip, it's a solid, human tongue disguised in lizardly fashion. No amount of scaly skin, fly eating, or living in arid climates can hide it. The other lizards can sense fakery from a