I come with a follow up. Here's a list of beers imbibed by Ken, Jason, and me:

Harpoon Octoberfest (J)
Stone 10th Anniv. IPA (J&P)
Spaten Optimator (K)
Warsteiner Dunkel (P)
Shenandoah Old Rag Mountain Scotch Ale (J)
Anchor Steam (J)
Brookyln Octoberfest (P)
Dogfish Head 60-minute IPA (J)
Leffe Bruin (P)
Blue Moon (K)
Schneider Aventinus (K&P)
Sam Adams Octoberfest (J)

Total beerage:
Ken: 3
Peter: 5
Jason: 6

We kept the party going until about 11, then we all walked the one block in the rain back to the Metro station, rode one stop together, then Ken, Jason, and I boarded a separate train and parted ways.

I need to do this more often.