Play me on NHL13. Kicking my ass will cheer you up immensely.
If your pain or anti-inflammatory, anti-biotic meds are giving you gut rot, start taking pro-biotic pills. It often help alleviate the upset stomachs that accompany medication induced stomach issues. Especially with anti-biotics.
Also, is your back too sore to jerk off? That might alleviate some of those bad thoughts.