Dean hated waiting outside on any kind of hunt. It was like missing the action when there was a good fight to be had. It sucked massively. Selina in her dress was nice, but it was a good thing he wasn't in the right frame of mind to go about getting jealous at the moment. He had his hunting head on, and everything had to be done right, so she had to look right for the part.
Leaning against the wall with his brother, he was sure Sam felt as wired and geared up as he did, only Sam had a slightly more personal vendetta against these bastards. Even if Dean hadn't been sleeping with Red, she still meant a lot to him, so this was going to feel good. Cathartic.
The moment the guy was being hauled out the back door, Dean started, snatching hold of him, leaving space beside him for Sam to crowd the guy. "How about we go for a nice little drive, huh?"