I'm at the complete opposite of the spectrum there, on-call 24/7/365.
Then again partially own the company and enjoy my colleagues. If I go dark for a few days answering non-urgent queries no one questions it because they know I wake up at 3am and put out digital fires within short timeframes.
Life and balance are just words in the end, you can clock off at exactly 5pm to the nanosecond and still not find that holy grail ever. It is what you make it.