Weeks after splitting with Jennifer Aniston, John Mayer debuted a new tune, titled “Heartbreak Warfare,” on his recent five-day cruise, Us Weekly reports in its latest issue, out today.
Before performing the song on March 28, he told the 3,000 fans aboard the Mayercraft Carrier 2, “It’s miserable being around someone who’s negative.”
He then began singing the song, which includes such lyrics as: “If you want more love, why don’t you say so?”

