Okay, not every beer...but most brews do deserve a second chance.  I am sure everybody who is  enlightened enough to realize that beer is the most glorious of libations has found themselves saying, "I'm not trying that one again," after finishing a beer that wasn't quite up to their standards or preferences.  I've said it. Sometimes, it is applicable.  There are a few beers that were so nauseating, it would take a wild horses strapped to my limbs for me to purchase them again.  But there are those beers that, while  you rate poorly, they are not undrinkable. These brews deserve a second chance. Why? First off, your sense of taste changes.  Physically speaking, as you get older your taste buds become less sensitive, so at 29 that Flemish sour is less overpowering than at 21. In fact, children are born with taste buds not only on their tongues, but on the roof and sides of their mouths.  Oh how I would love to swap bodies with my six year old for day and attack the beer aisle!  Also, your sense of taste is malleable at the mental level.  There is not a beer geek on the planet who will not attest ...