The current rate of never-married people is not historically significant. What is significant is the birth rate per married couple. View quoted note →

Keep your clothes on, bro. If you want to impress me, show me an elegant NIP.

The reason the double-standard makes sense is because it usually isn't hard to get attractive men to take their clothes off for you. That's like asking someone working at Subways to make a sandwich. They're literally just waiting around, hoping you'll ask.