It's probably best for your long term happiness if you let this relationship die.
You need time to focus on you and learn to validate yourself and be responsible for your own happiness.
Me: 44 H: 44 Kids: 20, 16, 16, and 10 Together/Married: 22 years H announced he was emotionally detached and considering D: 4/4/16 H announced he is going to try to stay and reconnect: 5/1/16