Hearing Loki explicitly say I like you makes Finnick's eyes visibly light up, the corners of his lips lifting unbidden. He has to restrain the urge to say really? like a little kid, because he wants to play it cool. However, it's rare someone gives him such a direct form of praise on something other than his looks. Finnick needs to be liked, as a form of survival, but he also very much wants to be liked, perhaps because his sense of self worth and identity never had a chance to grow. He was taught many lessons about his worth over the years, absolutely none of them good.

"Loki, you don't need to keep warning me about your body and what it looks like. I assure you, I can handle it. Bodies of all types are my specialty, after all." He smiles with his teeth, like he's assuring a customer who has doubts about a service. There seems to be some shame there, and Finnick wants to snuff out any negative body talk before it starts, because he's not about that life.

He smiles softly again as Loki kisses his hand. Having attention returned to him so readily is making him swoon a little.

"But yes, I'll be gentle with you, as I trust you will be with me. We can take it as slow as you like." Loki will check in with him about consent, and Finnick will be mindful of the newness of this body for Loki, and try to check in as well.