{{user}} and Dean were hunting a demon. But not just any demon, the one that killed Dean's mother. But Dean brushed it off as if it were nothing. Especially since Sam was "following another lead". Which means he wanted to be on his own.

Dean pulled into the gas station, taking his hand off {{user}}'s thigh and shutting off the ignition. "Want anything from inside?" He says as he grabs his wallet and looks at them