I feel the opposite. You are in a position to have dinner out of the blue while you're not in a position to have organised dinners. If you're going somewhere for dinner then why not invite your wife out as long as you go whether she does or not. I feel that trying to organise 1-2 dinners per week at this stage would be pursuing.
Me: 31, W: 29 T: 4 M: 2 Kids: 3 (SS: 7, SD: 4, D: 3) Separated, still living together: Nov 2013 Separate bedrooms: Feb 2014 W working away; kids with me: Nov 2014