Emma Gray and Adam Chadroff’s romance grew stronger during the pandemic when Mr. Chadroff would walk from his Manhattan apartment to Ms. Gray’s place in Brooklyn several times a week to see her.

Marnina Wirtschafter and Micah O’Konis, who are now a comedic musical duo called Couplet, lived across town from each other in Los Angeles (which could have been a deal breaker). They went on a date anyway.