Even tho you washed and dried the shirt, you may still be able to get that stain out. I have done that successfully in the past. I forget the name, but there is this gel stick with OxyClean in it that works really well.
I'm glad you are done with your continuing ed for your RN license. That can be a PITA. In MA, there are courses you have to take, but you can choose a couple on your own. Did you get to choose any on your own, and if so, what did you choose to take?
Good for you for getting that TP holder off by yourself! I always feel good when I can do things like that on my own