#SeinfeldTaughtMe Takes Over Twitter: 53 Teachable Moments in GIFs
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Julia Louis-Dreyfus and 17 Stars Who Have Battled Breast Cancer

"#SeinfeldTaughtMe to never bring a Pez dispenser to a theater," one fan of the sitcom tweets.

"Seinfeld" has been teaching its viewers how not to do life since 1989, and the lessons -- or lack thereof -- were still flowing on Twitter Friday.

The hashtag #SeinfeldTaughtMe was one of the social media platform's top trends this morning, allowing fans to relive some of their favorite moments from the show about nothing.

Thanks to Jerry Seinfeld, Elaine Benes (Julia Louis-Dreyfus), George Costanza (Jason Alexander) and Cosmo Kramer (Michael Richards), we know that it's not OK to shove a grandma out of the way when a fire erupts at a child's birthday party, that it's unacceptable to expose your nipple in your Christmas card, and that you might actually kill your fiancée if you opt for cheap wedding invitations. (R.I.P. Susan Ross)

Below are 53 life hacks, courtesy of some of the most deranged characters in sitcom history.

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