Kids. I've gained much more focus and I live more in the moment. I also don't care as much about work things. Loads of technical debt, unsustainable roadmaps, weird coworkers, bad bosses, who cares?
Unfortunately it is the opposite for me. My children are five and two and these have been the worst years of my life. I never knew unhappiness like this before. I've had depression since a few months after the birth of our first child. He has adhd and autism and has been extremely challenging. I should have known better, as a childhood adhd sufferer (on medication for most of school age), known that I probably wasn't…
But your spouse/partner may also need to be able to get away. (My wife did, though not as often as me.) Maybe you could tag-team breaks for each other?