"It's not going to kill me, and even if it was, I can't just ignore somebody who needs help."

He isn't shitting you. There are people who leap into things with all the recklessness that comes with good intent and bleeding hearts, and there are people who talk big.

Hikaru isn't either of those, at least not anymore. He knows precisely what he's capable of, and he also happens to have a lot of people who can help him get all sorts of jobs done.