Ill-advised T-shirt slogans #1
Quite apart from the fact that wearing that is absolutely guaranteed to reduce your evidently already-unimpressive pulling powers, you also run the risk that a woman with an evil sense of humour will accost you, and say:
"Look, I know you're not a real gynaecologist, but I simply haven't had time to go the doctor, and I'm really quite dreadfully worried about this unpleasant, green discharge. Would you mind terribly just having a look at it for me?"
(I didn't, as it happens. But possibly only because it didn't occur to me until several days later.)