If you're too scared to play doctor, you could just wear it when you hang out with your buds.
Wear the DAKINE Mountain Short-Sleeve T-Shirt the next time you want to perform brain surgery. What's that? You didn't actually go to medical school, and you're not actually a doctor. Well, we're sure everything will be just fine; besides, the patient will be asleep the whole time, so they won't even know if you eff things up.