Tom didn't have to rub it in.
Don't rub it in.
I know I made a mistake, but you needn't rub it in!
I know I made a mistake, but you don't need to rub it in.
Don't rub it in, Tom.
Rub it in, why don't you?
Going to the police would completely ruin his company, and I don't want to rub it in.
Tom's going to rub it in my face that I was wrong.
Not to rub it in, but I'm working from home. So I took a swim this morning and have been thoroughly enjoying the beautiful weather.