Mrs. Wow quite often turns round to give approaching drivers the Hard Stare or telling them to wait before overtaking. It is quite effective.
A lady who occasionally used to stoke for me and is, sadly, not often to be found in this parish now, had a very disconcerting habit of fondling my bum in a manner which might have been an accident other than for the frequency with which it happened. I have to confess* that I never once asked her to stop...
Nutkin and I were touring in Norfolk a few years ago and one day it was necessary for the tandem to be eased through a small gap. The stoker's bars caught a post on the way through and turned at right-angles, my saddle of course going with them. It took a good long time for my dear stoker to regain her composure, such was the fit of the giggles that this eventuality evoked.
*a wonderful word for students of French