"Huh? ...No, it's...like I said, Stands are 'part' of a person. So Weather on their own can't be called a person, it's more like...a part of me?" Or well. A part of someone else that is now also a part of him, but that gets complicated.

"It'd be sort of like if the Stand was your eye. It's just your eye, right? Your eye can do stuff like see, and move, but it's still part of you."

Technically he's explaining this as a point for why removing it doesn't really work under normal circumstances (and he really hopes he never has to see White Snake again, so). Oddly, he's unintentionally clarified (or worsened perhaps), a fear LO is having.