Pillow talk, talking about STDs and how to tell the ex to get lost.
She said what in bed? [The Frisky]
There's even the option to send the card anonymously, if you'd like, which eliminates the embarrassment of a face-to-face meeting. It's also a great option if you aren't on speaking terms with your ex.
What to say when your partner can't let go of an ex. [DivineCaroline]