[Dean isn't pissed off, not even close; at least not by the giggling. He meets a look all too familiar to him steadily, unfazed and unimpressed, hand dropping back to his side. There's no change in the look, none at all.]

No. Because you haven't - you don't care enough about that. [There's no uncertainty whatsoever in Dean about this - not to mention the evidence is right in front of him. If anything, any genius alcoholic would work first on curing hangovers and then work on liver function. One is immediate and present and painful - the other is a slow, silent killer, not one anyone thinks about until it's too late.

Dean knows.]

Could have but didn't - I know Charles well enough to know he wouldn't go for this first. I don't give a shit what you do drunk as long as it doesn't hurt anyone else - but the next time? It's...

[He cuts off for a moment, falling silent. This isn't going to solve anything.

The elder Winchester picks a different angle.]

Her name's Pepper, right?