How old are your DC op? I completely understand the relentlessness of it, but it does pass a little as they get older.
When they're younger you treasure the evenings after they go to sleep as that's the only alone time and down time you get. I was guilty of staying up far too late because I enjoyed that respite so much.
Slowly they start being more independent at home and you don't spend as much intense time with them and it gets easier.
Now mine are old enough to spend the evening at home by themselves, although I still occasionally get "when are you coming home?" texts from them because they don't really like going to sleep without me around. I try to go out on Friday or Saturday nights (when they don't have anything in the next morning) for this reason as they are likely to stay up until I get home.
But the intensity ramps up a bit as training for sports gets more intensive, they start part time jobs, want to socialise more etc and they need mum's taxi for it all.
I also like going to their sports games and supporting from the sidelines, I think it's part of building my lifelong relationship with them, they know that I'm always there to support them and I'm interested in what interests them. Sadly a lot of other parents stop going once they hit their teens.
Now I schedule time to watch tv/movies with them, sometimes together, other times individually as they like watching different things.
I watch them play sport, I drop them off when they catch up with friends and for their part time jobs, the 3 of us holiday together. We're a pretty tight unit and it feels odd when one of them is away (eg on camp or at a sleepover).
But I can see their independence growing and I'm trying to cram a lot in because in a few short years I won't be needed or wanted as much.