So no one told you life was gonna be this way...or maybe they did, but then three season later they totally changed their minds and fed you lies. There were a number of plot holes in the show Friends, and even if you didn't like the show (because you hate happiness), then bask in your bitterness and laugh at their mistakes. 1. Ross's AllergiesNBCIn The One With The Baby On The Bus, it's established that Ross is allergic to kiwi, peanuts, and shellfish. However, seven seasons later, in The One With The Blind Dates, Ross gets free crab cakes