Luke only offered an expression that was sort of an awkwardly polite smile over the rhetorical question because it did seem like the hotel was trying to keep them apart for some reason.
It would be an oddly confusing thing if a baby him ended up existing though, so maybe it was a good thing. Not that Luke would voice that random, very confusing thought.
"Well, I'm pretty quiet," Luke offered up. He didn't actually stay in his room much, but mostly because he felt like he'd been sharing a lot since he got here and didn't really like it.