Oh, this is nice. A small smile lingers on Caleb's lips after the kiss breaks, and he holds Yussa close, nuzzling down into his hair.

"I do," he admits reluctantly. Whatever effect is responsible for his enhanced virility has left him utterly exhausted now that it seems to have faded. "All of that wore me out quite a bit. But I can put up a dome so that we can rest without worrying about what might sneak up on us."

It's the least he can do, and it feels like it isn't enough. He is the reason they had to stop at all--because he was susceptible to the influence of something here. And though the immediate need for sex has faded, he still doesn't feel entirely like himself.