Men, without any motivation, will work the minimum needed to produce their lifestyle minimums.

A tiny apartment, a killer, but small sound system and gaming console.
There just isn't much more to spend money on.

Men don't have a need to get a new couch or upgrade.

Now that marriage and Lambos are priced way out of anyone's reach, why bother trying?

Especially when the used Lambo and marriage market has a disproportionate amount of lemons, repos and salvaged titles.