She accepted the kiss, mainly because it was all she could do. She felt utterly drained and unable to do anything else. He could practically do what he liked, she wouldn't object to it. Breathing hard, like she had just run out of that warehouse full of zombies all over again, Jo relaxed enough so that he could come too. It wasn't like that age old fantasy where everyone was satisfied at the same time, but she'd take what she would get.
Jo didn't want to let go of Dean just yet, even though her shirt was pretty much soaked with sweat. Feeling his chest pressed to her back was a soothing sort of relief, although with Dean supporting her and all, he was probably hot there too. She was content for the moment to remain with him as he caught his breath. She even had to remind herself to breathe just to make sure they were both still alive. Turning her head, she pressed a kiss to his neck, and then to the corner of his mouth.
"Yeah," she replied, feeling her body adjust after having all of that happen. "I got one. Unless you prefer doin' it in a pick up truck." She laughed gently, brushing her hair back from her forehead where it had been plastered with sweat. "You don'?"