Dean still enjoyed the party, even if his current company was rather... Grumpy. It didn't seem to affect him when Bucky ignored the potion set behind them, if Bucky knew, Dean had more than just one of those. Dean had plenty.
"Dean likes the Spicy Water." Dean's smile widened a little bit as he turned to view on to the crowd. "When Dean drinks enough, it makes Dean forget the bad things." The smile on his snout turned into a frown as he remembered some of the down sides to his adventures.
"If Buh-key had enough, would it ever make Buh-Key forget?" Even if Bucky didn't feel it, Dean felt that there was some sort of connection. Both of them were used as weapons, one against their will, the other too dumb to know the difference.