You can be dysfunctional, retarded, ugly, promiscuous, pregnant, fat, obnoxious, sick, drunk, or high, but make sure you know the difference between 'YOUR' and 'YOU'RE' or ‘THAN' and ‘THEN'.
I hear people talking about their lactose intolerance all the time. I guess I could live with that but if I ever developed tequila intolerance life would no longer be worth living.