As we continued to watch, I noticed that my husband was commenting on her body, making jokes about her curves, and generally acting like he was in a trance. It was uncomfortable to watch, and I felt like I was losing my partner to this fantasy world.

The digital landscape of YouTube is vast, but few niches have seen a more curious rise than the "Lifestyle & Entertainment" subculture centered around husbands reacting to or documenting their wives' "big" moments—whether that refers to a big career move, a big physical transformation, or a big lifestyle reveal.