Fast forward to my 38th birthday. I was still single, and the world of dating had changed significantly in the last eight years. Tinder and Bumble, the dominant dating apps, offered countless options for single men and women, but made the experience of dating entirely impersonal. Dating amounted to small talk with a stranger, who you had briefly interfaced with online because you each thought the other attractive. The small talk was a prelude to hooking up, and there were no expectations even of a text the next day. It was brutal. And after trying my hand at it, I...