You guys are already beefing, so you better not bring up Ras Kass' insanely divisive "Nature of the Threat," a nearly eight-minute-long treatise on history, race and culture. A controversial exploration of the history of racial exploitation, the song is a blend of verifiable facts and less-verifiable assertions and homophobic guilt-by-association. It was bad enough when she was mad at you for looking at her sister; wait until she finds out your take on the Punic Wars or Yeshua Ben Yosef. Our advice is to avoid any argument that could end with her telling you to "put a gerbil on your Christmas list."
The worst arguments in your relationship have been about Ras Kass' "Nature of the Threat."