Your wife(s) wouldn't work.
As I see it, the only downside would be the reduced odds of making it into heaven. Well, maybe the economy would tank from the labor pool being halved and we'd all live in third world conditions.
Okay, it looks like there are a lot downsides, except for the fact that I get the remote control for the TV, no questions asked.
Fake bacon makes me burp stinky burps for two days.
I ain't converting.