Her positive attitude 'rubbed off' on other people. [=other people began to have a positive attitude from being around her]
We 'rubbed' the steaks with spices before we grilled them. = We 'rubbed' spices onto the steaks before we grilled them.
It's bad enough that he beat me, but the way he keeps talking about it is just 'rubbing salt in the wound'.
(..) You were asking me if I was jealous just now. Tell me, were you jealous when Julia left you for another man? Would you care to rub any more salt in that wound? I'm not asking you for sport, John. Of course I was jealous. And has that jealousy (..)2018 TvShow: The Alienist Title: These Bloody Thoughts Season: 1 Episode 4