Don't you love/hate encountering a hot couple like this on vacation? You immediately know he's better than you, his woman is better than your woman, and your woman would drop to her knees for him in a heartbeat. He knows it too, and knows you know it.
You'll spend the rest of the week with his big black muscles and cock in your mind, even when you're not laying awake listening to his hot blonde girlfriend's gasps of pleasure while he fucks her.
Why SHOULDN'T your wife join them for a steamy threesome by the pool?