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”
There’s a word for if you mean exactly two: two.
There are multiple words that describe numbers.
Couple, pair, and two are all words that describe the number 2.