"It's nice for the scales." Shalem is cheerful when he says that, beckoning for the man to follow him. He might not be too familiar with this rainforest, but he can kind of remember where he came from, and where the cool, shaded area near a pool is relative to that.

"Admittedly, I also have a slightly lower body temperature and a higher threshold for heat, so it takes more for me to be bothered. Having cooler blood is a boon, but the drawback is that I have to be more careful to keep my tail dry after a certain amount of time, or suffer some unpleasant consequences."

No need to say what it is, just imply it's a bit of an annoyance and leave it at that.