"It's more comfortable that way" she replied. "Female dracons get agitated when we dress in too much. We have very sensitive bodies and any reduction in sensory input makes us feel like we're going blind. Males dress lightly indoors because our species was raised that way by our creators. It just became the normal thing to do. Honestly, the mages who made us treated our species like infants or as slaves, and neither of those uses much in the way of clothes."