"Everything I know about her I learned from you." He shrugs his shoulders a little, trying to make it seem like less of a deal than it really is to him. His memories of Dean are one of the few things that are still intact, despite everything that happened over the past year. Trying to match them up with this Dean when things like this come up only makes it that much harder to deal with. "I guess we could try to work it out together." It's the only compromise he thinks he's capable of making right then.

He smiles to himself when he spots just which side Dean's heading toward, but it's only when he changes his mind that Sam makes up his. Digging the keys out of his pocket, he heads over to the passenger side too, dropping a hand on to Dean's shoulder and holding up the keys. "This one time? You get to drive."