As far as Aziraphale is concerned, the capitalism aspect is far less important than physical intimacy. Gifts could be opened at any time, any time at all, but the mood wouldn't always be right. That's the more important and more fragile aspect here!

One of his ears flicks again despite its flattened state. He thought himself to be fairly clear about it, but obviously Crowley didn't understand him. Or he did understand him and hadn't wanted to, which is definitely worse.

"What do you mean 'no'?" he asks, turning then to look at Crowley.

Which is it?