The fifth man naturally resented being left compulsorily single, and pelted the happy couples with stones on their marriage night. Sympathy with the feelings of this archetypal bachelor has perpetuated the stone-throwing by the loo-byos down to the present day, and if there is no dearth of eligible spinsters in our times, the lonely bachelor may be allowed to express his envy of his friend's bliss without being accused of anything but gross cupidity.