We do know from the 80’s movies that Clark Kent couldn’t be with Louis while he was human. I guess he’d accidentally kill her while humping? They never really say why he can’t be with her, just that he can’t.
Someone did an analysis of what would happen if Superman actually punched you at full strength, and it turns out his fist would never connect with you, because you’d be vaporized by the wave of nuclear explosions erupting from his knuckles as they caused air molecules to fuse in nanoseconds.
Watch Bully Maguire
Man of Steel Woman of Kleenex by Larry Niven is a weird take on this
Watch The Boys.
But even in The Boys it’s just the bad guys doing that.
The dark reality is that the good guys need to watch themselves too.
spoiler
Bro, the show opens with A-Train running through Huey’s girlfriend and turning her into flesh casserole. It’s the exposition to the main plot of the movie. They talk about how it happens all the time and they have a whole procedure for damage control. They introduce a support group for people hurt by supes, including a guy whose girlfriend accidentally froze his dick off during sex.
I suppose there’s an argument that supes aren’t really “good guys”, but that traditional good vs. bad dichotomy isn’t really the point of the show.
The “good” Supes also occasionally have to deal with collateral damage they cause
spoiler
Like Starlight accidentally blinding a bystander when stopping a robbery, which then comes back to haunt her
Spoiler for the latest season and the spinoff
They don’t mostly because they know the risk.
In Gen V, the main character gets her powers by accidentally killing her parents.
And in the latest season, Huey’s dad kills a bunch of patients because of his confusion due to dementia.
