Those not familiar with DB do not understand what we're trying to do. I completely agree with you on not wanting to be in limbo, but if you do bring up your M, it will likely push H further away. I would advise against it, as hard as it may seem. You are not in denial, you know what is going on.
You need to re-read the 37 rules as a reminder. I need to do that every so often myself. Try not to think about what he is doing and focus on YOURSELF! Do NOT call him to talk about his day. If he calls you, be friendly, but try to end the conversation before he does.