§ how would their hair gray? or would they lose their hair first?

since terra is prone to being stressed very, very easily, her hair will most likely gray faster than others at a relatively younger age (it’d probably start when she’s in her mid or late thirties, assuming she lives that long).
she’d try covering it all up with dye though…wouldn’t want being called a senior citizen while fighting crime or whatever

however, it probably wouldn’t start falling out until she’s much older just because she’ll do her best to take better care of both herself and her hair, i guess