[ No they aren't all bad. That's why Vanitas only has snippets here and there. He can't account for their entire memory. ]

You were going to die because there wasn't much of you left between the fight and then the old fart breaking us apart.

[ Vanitas rolls his eyes again. How is this so hard to understand. ]

Sora pieced you back together with his own heart. A brand new heart that's nearly blank. How could you remember?