It's fine. Most of this will become, uh, obvious the more I'm around, so there's really no reason to try to hide it.

[Although he's not entirely sure when his memory problems began, so he pauses, estimating.]

I was in a car wreck when I was fifteen, fourteen, somewhere in there. Or maybe it was from a fight, but things just end up distorted now. Like I can't really see who I'm looking at.