ahead of the curve

Girl #1: Oh my god! At work today, the kids had to write stories and they are the worst writers ever! One kid had an entire paragraph with no periods, and a bunch of them were capitalizing days of the week and stuff. It was awful.
Girl #2: You're supposed to capitalize days of the week.
Girl #1, in embarrassed awe: No! You're kidding, right? I told them they weren't supposed to...

Posted in: grammar