Hi dude! My Attic Greek is a bit fuzzy, but I do believe that the Muse, Erato, or the Lovely and Charming One, was the goddess of amatory poetry, or love poetry?
Her powers were quite special, indeed!
However, your significant other sounds a bit more like Eris, the goddess of discord, who provided the spark that ultimately ignited the Trojan War!
Happy Friday!

dc!