The story in its entirety is kind of a lot, too much to drop on someone all at once, but Angel can give him the footnotes at the very least. If nothing else, it will help Alex to gain some understanding of why he does what he does.

"I'm a vampire," he says frankly, "Most of us aren't exactly known for being friendly. I wasn't always, either. Not for a long time. In fact, I was about as bad as they come."

Before he'd gotten himself a soul, it had been a point of pride.

"I know what it means to grapple with something darker than who you believe yourself to be."