He made a few mmms of agreement and resolved to tell him the world was already saved by Adam over their meal. Crowley deserved to know that despite everything, all their mishaps and quarrels, it worked out in the end.

The rambling into their silences was what made Crowley Crowley, and Aziraphale wouldn't have it any other way. He was as much an encourager and contributor to the off-tangent conversations they had pursued over the years, and couldn't very well begrudge Crowley a little rambling to fill the awkward spaces between them. It was always just nice to listen to that familiar, comfortable voice.

The question took him by surprise and the happy glow faded into charmed blush. He had been human, once, in his world-hopping travels, and there was no escaping the knowledge that carrying another's books was somewhat of a school-sweethearts tradition, and it was very in line with Crowley's nature, like holding a door, or carrying his shopping, or miracling a puddle away so he didn't have to step in it. He looked down the path, unable to hide his smile.

"If you like. I wouldn't say no."