Not sure which man you mean, but I'm sure Vincent's not the only one she's gone after.

I got her away from him, and then after a minute he came out of the room as Chaos. But it's not like we remember it. He can fully control it now, even hold a conversation. Dunno how long it would've taken him to heal from something like that without Chaos. Anyway, he took her to Zero and I went with 'em.