I don't know what you're saying. Adding an s is plural. Adding 's is possessive.

I tell people that if they are unsure, it's better to not use an apostrophe than to use it incorrectly. Though this assumes they are capable of that uncertainty.

We teach this in third grade. They were talking.

I used to pass by a small crafts shop everyday, the name emblazoned on their sign: Ribbon’s Button’s and Bow’s 🙄

You know what else drives me absolutely 🦇 💩 crazy? The number of people who use the word “that” instead of “than” in a comparison.

The most risible I saw in Melbourne was for a store named Margo’t and Jack’s.

My last name end in an “s” and I was told it should be ‘s. It must be a compulsion.

Slightly off the subject but when did they stop teaching the proper use of personal pronouns in school?