My girlfriend and I were taking an afternoon stroll along the clifftop path the other Sunday. After about half an hour, we bumped into Graham, her ex, coming the other way. We exchanged pleasantries momentarily and continued on our way. After a few minutes walking, she turned to me and said "Can you wait here a moment? I just need a quick word with Graham." Before I could answer, she had turned and jogged off in the oppos...