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[MCU] How does Thor get drunk when Cap couldn't?

In Captain America The First Avenger Cap stated he couldn't get drunk as a result of the serum jacking up his metabolism to being that 4 times stronger than the average person. 
And in subsequent movies Thor is shown to outclass Cap in terms of physical strength all around. 
So how is it that Thor is able to get even the slightest bit groggy in Endgame to the point of hangover like symptoms?
gpt
In Age of Ultron we see that asgardian booze is significantly stronger than the earth stuff. We also learn that Thor is only willing to share it with Cap (and old veterans for the laughs) because it is so potent. That suggests that if Cap did consume a huge quantity he too could become drunk.