I've never "ditched" a date, no. I have certainly endured some very unpleasant ones though.
I am kind of an anachronism I guess, but I was raised a Southern Gentleman. It would be totally rude and disrespectful to simply "ditch" a date.
I suppose such values are "out of step" in today's society, but....
1) I believe women should be treated as ladies. Women are special, and deserve to be treated as such AND with the highest level of respect. Open her door... Pull out her chair.... Walk on the street side of the sidewalk to shield her from the traffic... If you take her somewhere, pay her way. Expect to do this, don't begrudge a few dollars. LISTEN to her... Don't drone on about yourself, unless asked. You would be ever so surprised the ways such conduct will be reciprocated.... once the lady in question KNOWS you are not simply trying to "scam" her.
2) Should you find yourself on the "hell date", simply tell the truth, that you are not enjoying yourself... or if you can't bring yourself to do so, make a polite excuse why you wish to end the date. Actually, it is my policy, even when on a "hell date", to try to make her comfortable and make the best of a bad situation. What's a little discomfort, if you can make someone else happy for an evening. Those "hell dates" have served as a benchmark that remind me when I'm having a particularly spectacular date.
3) Now, in the case of a lady who is with a man who simply refuses to conduct himself appropriately after a "Excuse me...." warning, she should base her additional responses on the particularly objectionable conduct. If easily fended off, simply ask to be returned home immediately(leave him at the car). If the conduct is of a more serious nature, occasionally a lady needs to remind a man to be a gentleman.... You could 1)tell him you are leaving, why, and do so immediately, 2) publicly state his indiscreet conduct aloud, and that you find it unacceptable.... embarrassment works wonders, 3) If he's drunk (or simply psycho), and you feel you might be in any danger... drop his butt on the floor with the hardest blow to the groin you can deliver, and split.... report his conduct.
As I said, perhaps my values are out-of-step, but changing values for me is virtually impossible. After all I am....
Opinionated