You should NOT date yet. You are not ready. You seem to still care about your W, and you haven't fixed yourself at all. You will carry the same bad relationship dynamics to the next one and you'll be back here in a few years for the third time.
To be honest, that last text sounded like a threat and controlling, and quite immature. You spent part of the evening talking about the past and want to fix things, then you suddenly stop and say "screw it, I'm done and going to start dating and you should too". Talk about a roller coaster, you both have your own roller coasters.
Me: 43 W: 37 Together: 18 M: 15 D: 8 yrs old ILYBNILWY: March 2011 She Filed for D: August 2011 She moved out: Sept 1, 2011 Reconciled: May 2012 Divorce Case dropped: July 2012