Now they'd only just talked about not shoving things under the rug, so that was off the table. Dean wanted nothing more than to do that, but it wasn't an option. Soaking his hair, Dean reached around behind Sam to get the shampoo and started washing his hair, clenching his eyes shut. Well, it'd be easier to talk about this without looking at Sam anyway.
"So, uh... we screwed. And we're brothers. Dude, it's weird. Like... weirder than our usual level of weird." He sighed a bit, head tilted back as he rubbed at his hair. "But... I don't know, it was freakin' awesome, that's for sure. But then I guess I gotta wonder what dad and mom would say, if they were around, you know?" He cracked an eye open to see Sam. It wasn't the first time they'd talked in the bathroom, but one was usually at the sink while the other showered.
"I mean, I don't know what you want from this. I don't know where you expect this to go." If he wanted to keep this up, then they would, but Dean needed limits and boundaries, otherwise he'd assume he was free to sleep with anyone else they met on their way. "And then there's Cas to consider."