"I gotta help Jess, you know," Dean said, even though she'd just given him a free pass. The feeling that he'd let Sam down wasn't going anywhere - it was too much to think he'd be letting her down, too. "She - she can't stay in that hut all alone."

It'd make her crazy. As empty as the passenger seat in the Impala had felt when Sammy went away to Stanford, Dean knew it'd make her crazy. Sam wasn't a few days' drive away this time. Sam wasn't anywhere.