It's so hard to not be convinced that your spouse will be reasonable during the D. Been there, done that. But I'm sure it happens sometimes.
Me: 35|WAW: 38|D: 6yo | http://tinyurl.com/2dxx7m6 Feb 2006, left, came back in two weeks Aug 2006, left again Apr 2007, filed for divorce Dec 2007, reunited Mar 2010, moved out, filed again