Why do so many men die before their wives?
Because they want to.
>Get em preggers, and once there are a few rugrats in the picture being seen and going out to dinner regularly falls way down on the priority list.<
Once ectogenesis is perfected, women won't be needed at all. Right now, they are the only way to make sons, but when that changes, women will become redundant and vanish from a perfect all-male society perpetuated in vitro.