If he doesn’t go to strip clubs, why would he mention it? It wouldn’t be on his radar. If you drive by a movie theater and he talks about going there, you’d not be agonizing if he likes movies. It would be fair to say he likely likes movies. He talks about strip bars. There must be a reason? But you can ask directly. You approach it like everything else. Just ask. People asked me all kind of things as early as the first date. The earlier people ask less time they waste. But you can often tell if he’s even the type.