On Friday night, Angela arrived at Peter and George’s house with a bouquet of lilies tied with a green bow. They fit perfectly with the white-on-white décor in their large, sprawling apartment. Overstuffed furniture filled the space beneath the soaring loft windows, making the rooms both cozy and spacious at the same time. Angela especially loved relaxing on one of the deep couches arranged around the exposed brick fireplace in the center of the room.

“I told you not to bring ...