Your next door neighbour is sporty and has always been pretty friendly towards you. You swear she could be rolling in men if she wore some makeup once in a while. One of your girlfriends has what she calls a pick-me-up that she swears by. “It just boosts my confidence” she explains, smiling beatifically at the guy across the bar who just sent her a glass of wine. You feel kind of guilty for reasons you can’t put your finger on, but tell yourself you’re just being helpful as you offer a bottle to your neighbour. The following day she invites you over for the coffee you’ve been talking about for months…