I'm watching "Ashes and Dust", S2 Ep19 of Criminal Minds and I can't help thinking that Hotch often offers to be with fire victims or "help" the bereaved. And that he told Gideon it's okay for him to do it "again"!!! In another episode he once ran into a burning house, Morgan freaked out it, but Hotch didn't hesitate for a second.
I can also understand that he lied to Mrs Cutler in "Ashes and Dust" to take away her emotional pain, when the doctors knew she wouldn't survive, and it makes him very approachable and human to me.
I also have to think of a cannon from @masterwords that Hotch lost his sister in a fire, when he was a kid. Of course there is zero explanation in the show, but I find it exciting to think about possible reasons. Please go and check their work out, it's amazing! [unpaid ad]