>>55436430Main heat is generated outside of her mouth, similar to a fire spitter.
Possibly she has certain biological adaptations for this, but when she is relaxed she lowers these defenses.
A simple example is like if I asked you to step on a piece of Lego with your bare foot, you consciously tense your muscles and it's no big deal, now however when you wake up half asleep in the middle of the night and step on one by surprise it's another story.