Redditors who have walked in on their S/O cheating, what were the next 30 minutes like?

Long time ago. My girlfriend goes up north 4 hours drive for a weekend and ends up at a party. The party is my cousin's graduation party and he was a 3 sport star already drafted for pro hockey from a small town so the party was HUGE. Anyway... I call him to congratulate him and he tells me a girl from down by me is hooking up with the French exchange student. He described my very well and I knew it was her by the description of her shirt. Anyway...she returns home and I ask about her weekend. Then I ask how's Pierre? This was '86 so no cell phones and she had no idea how I knew. I just laughed as it was high school senior year but we no longer were a thing.

/r/AskReddit Thread