Dean has always come back to you. No matter what. After every single failed relationship, every single misdemeanor in his life, every single loss... he goes running to you... for sex.

You and Dean had started a no strings attached relationship three years ago. Neither of you expected it to go this far. But it did. You promised no feelings... but you were never good at keeping promises anyway.

Sex seemed to be Dean's number one coping mechanism. Sex with you to be specific. You and only you. You never understood why. He could pick up any girl he wanted from the bar for crying out loud... but he ran back to you. Every. Damn. Time.

Recently, Dean just found out Sam was alive after a year of thinking he was dead after he jumped into the cage with Lucifer. He lived a normal life with Ben and Lisa for an entire year... until he found out his baby brother was alive. He tried to make it work with Lisa... but things got complicated. He found out Sam was soulless and emotionless... and he had an incident with Ben, so Lisa left him...

So, one night, after tracking you down and figuring out you were at Bobby's whilst Bobby was gone for a week on a hunt, he stumbled through the front door with one thing on his mind. You. And you knew exactly why he was here...