CSCS is a cronic disease that effects thousands of peoplee every year. It affects people of all ages who have a consistent habit of making excuses up instead of doing what they should do. Often do not; go out when they say they will, go home to early and wold rather stay home.
You can purchase a harden up pack that includes; a replacement pair of balls, a tea spoon of cement and a book of sayings to replace your vocabulary so that you say yes more often and stop giving bad excuses.
Steve: Hey mate. wanna go to training tonight?
Michael: I don't think I can, I've hurt myself again.
Steve: dude you have a serious case of cscs, you need to harden up and come out.