The Pleasures of the World
Aziraphale's fingers brushed [Crowley's] cheek, then turned his head slowly.
"I'm asking you to think it over," he said, so quietly that Crowley almost couldn't hear him. "That's all."
Crowley's stomach clenched harder. Somehow his hand had gotten ideas again and migrated in the direction of Aziraphale's waist, blindly creeping its way around, forcing the angel to lean slightly forward. This was the sort of thing reckless human teenagers did, or in the very least reckless human adults who hadn't gotten out much and were just beginning to notice how entrancing their bridge partners were.
"Won't take much," Crowley said, and leaned over to kiss him.