After my wife started a relationship with a friend (a situation I detailed in your other thread on hosting), they got together at a hotel once. She described how they had to go to a pharmacy for condoms and he made out and felt her up in the parking lot before going to the hotel, showering...
My wife and I had been experimenting with polyamory after a couple of years of being engaged. Neither of us had ever gone beyond flirting when she admitted that she'd had a crush on a friend of mine that was pretty much family. He lived in a different state, but visited both his and my family...