He has no problem with it because he left you with the responsibilities of raising kids. I think that as the kids get older and you start to find time the feeling of being single will emerge, but personally I think it still feels much different than before I had gotten married and had kids. For like you, my kids are my #1 job. AKA Moo
Think of the haters in your life as sandpaper; they’ll scratch you up time and time again but in the end you’re polished, smooth, and spotless..while they end up useless
We make a living by what we get, but we make a life by what we give.