Choose Your Own Chemical Adventure

"Would you like another pint of ale, James?", says Dalton. You nod. "A pint of beer for me and another for the young gentleman, Landlord", says Dalton. The barkeeper pours you another pint.

"Cheers!", says Dalton. "Cheers", you say. You take a sip. Suddenly you are aware that the beer is taking effect. "Perhaps I should have said no?", you think. "I shouldn't really be drinking on an empty stomach".