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Chappell Roan’s voice drips with sarcasm on the verses of this synth-pop tune, as she sends an ex off with a shrugging, “It’s fine, it’s cool.”

“If I cut my ex off on Facebook, it’s also too much negative energy on my part. I want to extend a polite opening for the future. I don’t want to see what you do every day with your life” — as on Snapchat, for example — “but if you’re accepted to the study-abroad program or become class president, I would like to congratulate you. Facebook is more of a long-term document of your life.”

What to do: Take your ex off your accounts, and ask your ex to do the same if you’re an authorized user on any of his or her cards.

If your husband wants to pack himself, the three kids, and the ex off to the hotel together, that’s on his dime.

On his Web site, Dr. Glenn J. Messina, a laser removal specialist in Commack, N.Y., promises brides “to get your ex off your back for once and for all.”