Maybe it's a coin toss. In some ways separating takes away the immediate stress but I would think you'll need a plan to reconnect at some point if the goal is still to build a better marriage.
I've been living with my w post bomb for a good while and it's sux but at the same time there are benefits. Each sitch is different though so could certainly understand some who just need to get out of a bad sitch.
Me:45, W:45 S:16 D:13 M:22, T:25 Bomb: July 2010 Putting finances in order for "D" Continue to live in same home-separate rooms