I don't think it's personal for you Yuffie kupo, so much as a habit. And some habits are harder to break than others, especially when you're hurt.

[Fluttering over, not touching Yuffie but pushing the end of her scarf into her hands for comfort.]

Vincent does care about you though, and consider you his friend. He just has different ways of showing it than you do kupo. I think he also is making an effort, even if it's small and slow.