If you wish for the extreme of something. At the time you do not believe could possibly happen & then it does. example; ' I wish Vannessa Feltz was more masculine.' Then she puts on loads of muscle, develops a deep voice & starts beating people up.
'be careful of what you wish, for it may come true' This is not an expression but an ancient saw; a life observatian of Fortean proportions in it's accuracy.. much like 'the rule of three' is qg [which google]
Manners, Fred! Two delightful ladies, even now, I'm sure. Few of us still have that glorious bloom of youth. It's one of life's greatest sadnesses that - when a man is 19 or 20 - all he really wants is to be making love to women of 19 or 20, whereas - when he is 59 or 60 - all he really wants is to be making love to women of 19 or 20!