I came away looking over-sensitive and self-righteous instead of him coming away looking ignorant. What bothered me the most, though, was feeling like the only way to make my argument was to invoke my sister. My friend didn’t stop saying ‘retarded,’ he just stopped saying it when I was in earshot.
Diagnose yourself with a rhomboid major muscle tear. The soreness in your back must have been a result of a particularly strenuous elliptical workout. Tone down the gym attendance. Head to a sports masseuse. A pulled muscle isn’t the end of the world, but when else will you be able to justify a sports massage?