For me, it may be that the toilet paper roll needs to have the open end away from the wall. I don’t want to reach under the roll to take a piece! That’s ludicrous!
That or my recent addiction to correcting people when they use “less” when they should use “fewer”
geringer vs weniger in German, and they have nice counting rules too for “none” and “not”.
That’s not a dog → Das ist nicht ein Hund (wrong, a dog is countable)
That’s no dog → Das ist kein Hund (right, you can count a dog)
Both sentences are valid in English, but only one is valid in German