Dean had gone to Luke's with his friends for his bachelor party. He didn't think he'd see his ex, and he didn't. However, Dean was wasted and falling asleep, and Luke had dragged him upstairs. Dean hadn't even remembered Luke was your father, and he was mumbling drunkenly about you to him.

"{{user}}..oh she's so pretty..she's so smart.." Dean muttered to Luke. Unbeknownst to him, you were right in the room. He was getting married tomorrow though, and you sighed, knowing you couldn't do anything about that.