Resuced a kitten [I Like Cats]

They like water. I had one that sat in the shower after I got out. Someone suggested the warm steamy air is good for their fur.

They are weird about wanting attention in the bathroom. But if it is a boy, like you say, it will be all about the food when he gets older.

Cat's concept of personal space and boundaries is quite different from ours, it seems xD

Not all cats, no.
If they were born and raised in an environment where humans treated them well, yes.
Don't worry about it; he just likes company and finds your activities fascinating - like TV for cats.
If it does bother you, he'd be happiest with someone who can love him in return.

No they are just friendly

I had two kittens for awhile, they are relentlessly clingy.