About a month ago, my husband took off for the weekend to celebrate his best friend’s birthday without me. He didn’t expect me to accompany him, nor was I sad at the thought of not joining him.

In fact, I’d already made my own weekend plans, including dinner with a friend that my husband hasn’t even met.

Even though we’ve been together for eight years and married for five, I can count the number of times I’ve met most of his friends on my hand.

Although many couples merge friend groups, we’ve mostly kept ours separate. It’s not that we don’t like each other’s friends — we do, and we occasionally go on couple dates or have group hangs.

However…