I did once or twice.

Only if I shower alone ;)

Sure. It's all pipes now big deal😊

Yes

not frequently, but yeah, and only at home

When I feel like it. Yes.

Sometimes I've done it

As someone who showers 24 hours a day, no

No. It takes two seconds to get from the shower to the toilet.

I have done it as a child, but the smell of hot pee is gross.

Yes.

Yes. Yes I do. My rule is if You clean it, you can pee in it.

Sometimes

Sometimes, when I'm about to take a shower and I have to pee. It's more efficient than wasting water flushing.