When my H was still living with me I went dim by not initiating the conversation. I waited for him to start it. I did not ask him any questions (we don't have kids though). I have no idea where he moved to because I didn't ask. I was pleasant and smiled, stayed with a positive attitude when we did talk. I no longer texted him and only emailed him with info on bills, kept it very business like. I did not pursue. Before that I had tried with the small touches which he allowed but did not reciprocate so that didn't work and I stopped doing that. I believe it would push him away further. Leave the pursuing to him. No it's not easy. Focus on you and the kids and act as if life goes on without him - which it does!
Me - 42 exH - 56 Married 10.5 years Together 17 bomb dropped 1/6/14 signed papers 2/4/14 H moved out 2/22/14 D final 4/4/14 Dropped the rope 5/17/14 2 cats, 2 dogs