Harp nodded as if he understood. Bel's black eyes seemed to be sucking him in. They were such a dark, solid color. The angel's own pink eyes flickered around nervously. There was a voice telling him to pull the arrow out and prick him, to hurry up and trick him into doing whatever. Love was a powerful tool, but not at all common. 

What was really worrying him was what he had said about an exchange of fluids. Harp wasn't prepared to kiss anyone, let alone a demon. But being marked seemed equally scary. What was he to do? The way Bel was staring at him made Harp realize that it was totally up to him. The real question was what he had in mind? 

Harp was as naive as they came, so didn't even consider harsher ways like sex. He sighed. "Maybe... A kiss...?" Kisses would be alright, wouldn't they? It wasn't like Bel was going to bite his tongue or anything. Maybe they could do it vampire-style! Harp felt that it was time to launch his secret weapon. "But... could you... close your eyes? Please? I've never done this before..."