He realized that as Loki leaned close to him on the beach and he caught a whiff of salt and sunscreen and sweat, mingled with something that must have been arousal. And with that new piece of information his mind shifted and suddenly he was sucking in a deep breath, jerking a little in a sudden wave of embarrassment as his cock stiffened a bit in his swimming trunks.
I love how quickly he readjusts to the culture so foreign to him. Like, he does not even protest or try to explain this is how it’s done in Asgard so it’s how it SHOULD be done because he’s a mighty god and stuff. He’s just like “but I… oh I see smashing mugs is not a custom here. I’m sorry I won’t do it again 😦 “