You're not alone, and thus I suspect a curse is to blame. I'm on the island now, and I'm freezing. However, my instruments are reading an ambient temperature of seventy five degrees Fahrenheit, and I'm currently standing in sunlight.

[More than a little disconcerting. When she's glowing like this she's usually quite warm, even compared with others. And she loves to soak in the sunlight, but if that's not helping...]

Hypothermia may be an end result of this curse if we do not find a solution. I suggest trying the coral. It helps ward off such medical problems, though it might not keep up warm.