[Wonnk13]

nothing more than a n=1 anecdote, but I'm noticeably more depressed when my wife is in the office and I don't go in to a coworking space and/or do something with my friends after work.

Even as an introvert I can easily see if I didn't have a partner and access to friends and socialization I'd be significantly more likely to kill myself.

Before my mother started joining more retiree clubs I could literally see on her face how much more weathered and haggard she was. The isolation was physically visible on her face.