Men generally don’t get serious about dating for a marriage partner until their late 20s, so choosing to stay single before settling down in one place makes sense from a male point of view.
The more women a man has had sex with, the lower the odds that he can be sexually gratified by one woman. Ever.
Like McDonald’s, they’re everywhere. They’re always on the market, because they don’t form and sustain good relationships.
Inside jokes or nicknames also foster intimacy, because you’re the only two people who share them. They’re a way of shutting out the rest of the world while the two of you get to know each other better.
Appreciate his loyalty to family and friends, and his need to spend time without you in other relationships. Never compete for his affection with people who are important in his life.