some diseases are quite simply horrible. achillobursitis is as bad as tonsilitis or Fusspilz. but there are diseases that have something good in them. here are three examples of syndromes that can help you out of a schlamassel.

cataplexia
imagine this: your friend is telling you a very, very boring story. VERY boring, i mean. you fight it, but it doesnt help: you fall asleep. your friend wakes you up and is offended: "You never listen to me", he says. "Do you find my stories boring?"
Now you can answer: "Au contraire, my dear. I suffer from cataplexia, that means when i am very excited my muscle lose its tension. am i just a little excited, i can only not move my tongue, but listening to stories like yours make my whole body break down." and if you turn around and continue your nap, your friend will do anything but not be mad at you (probably he will proceed his blahblahblah).


always victims of stupid jokes: people with cataplexia


Balint-syndrome
you are drunk as hell, try to get your glass, miss it and knock it over. you look very confused at your clique. your friends look like a pulp of very beautiful colors. they laugh and say: "Go home, you are far too drunk." Here is what you can answer while you order the next round: "Friends, you are very wrong. Thats the balint syndrome. due to optic ataxy i cannot control my vision and my grip-moves. the reason, that i cannot look straight at one of you is therefore not the 17 screwdrivers but a very sad disease." they will shut up quicker that katie holmes when tom cruise lifts his hand and probably also pay for your next drinks.


Alien-Hand-syndrome
you are in a restaurant. the table next to you is full of stupid assholes being loud and annoying. you take a sip of your drink with your right hand, where as the left hand grabs a plate and smashes it onto the biggest assholes head. After the bleeding has stopped this asshole would probably very upset, but only till you explain:
"this is the alien-hand-syndrome, a neurological disturbance, because of which i am only able to control one of my hands."
and when he wanted to hit you in the first place, he will quick as the blitz apologize to you and probably give you a ride home (if you sit in the back).

glossary:
Fusspilz - Athlete's foot (at least this is what the dictionary says. weird)
Schlamassel - mess
blitz - flash