"Of course. I'll uh... do my best," he says with a weak laugh.

Jon bites his lip as he looks at Martin, then leans close to kiss him again. He does want this, he likes the expression of affection and he enjoys the way it makes him feel close to Martin. He'd be content if it doesn't go any further than this. He doesn't know if Martin will be forever, but he'll enjoy it now. And he wants Martin to feel good, too.