Crowley shakes his head, leaning forward onto the wall of whatever traincar the ended up in, hissing out a long breath of frustrations, none of which, he realizes, are actually at Aziraphale. 

"Don't--" he mutters. "I'm just-- we were supposed to end up home, Angel. In your bookshop, back to normal, not--" he motions, vaguely. "I shouldn't have taken it out on you. Not your fault."