Experts—both real and self-proclaimed—predicted in spring 2021 that single people, newly vaxxed after a long COVID-19 lockdown, would be on the prowl come summer.
But like so many would-be summer blockbusters, the reality just didn't live up to the hype. While some observers say "hot vax summer" was a bust because of the delta variant and the rise of online porn, Helen Fisher says it's actually just an acceleration of a long, slow decline in one-night stands and hookup culture that predates the pandemic.
