Dean figured it was a bit of both, really; this Sammy was way more on the level and less hinky, but still dating women that he never thought he'd be able to pull. He just didn't want to talk to Bela about it much and spend time worrying her.
He was under the Impala, doing a standard oil change, and as such, he recognized his wife by sound instead of by sight. "Hey, Sugartits, what's shakin'?"