When Kenneth Felts began work on a memoir at age 90, he found himself filled with regrets over a secret gay love affair. So he came out — privately and publicly — which inspired Johnny Hau to do the same.

Emily Dobies wanted to set up Sal Steiner, a co-worker, with a mutual friend seven years ago. But Ms. Dobies and Mr. Steiner were more interested in each other.

Melissa D’Andrea and Karissa Sullivan, who matched on the dating app Her, were instantly attracted to each other. Five months after meeting, they were engaged.

After 16 years together, Sachi Takahashi-Rial and George Carollo drew up a timeline, which included a decision to legally tie the knot in 2023.