That pause worries him, and it occurs to him that maybe he's overthinking things. That maybe they should sit down and talk things out, except that would make way too much sense, and he doesn't really feel like putting forth that effort just yet.

So he squeezes Jon's hand again, sort of drifting closer to him. "Um. I do? I like scary stuff, mostly. You saying I sound like a wimp?" He's just teasing, trying so hard to make this casual and fun, to pretend like he isn't literally clinging onto Jon.