"Well." That's a more complicated question than it seems. Giorno frowns a little, monitoring the marshmallow but actually... really more considering what he wants to say at the moment, and how to explain it, preferably without becoming tedious.

Condensation works. He turns the stick between his fingers. "In a way. It fully manifested a few months before I came here. However... in retrospect, there were moments in my life when my stand must have been at work."

He pauses for a second, and then kind of... half-smiles. "Manifesting my stand turned my hair blond. That always amuses me a little - it's not exactly a common side effect."