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Tell Us The Most Unrealistic Thing Siblings Do In TV Shows And Movies

Two words: Cruel Intentions.

If you're anything like me, you're supremely addicted to binging TV shows and movies.

But as much as you love 'em, there's ALWAYS something they get wrong, especially when it comes down to siblings.

Maybe you feel suuuper uncomfortable when step-siblings have this strange, sexual tension between each other, like in Cruel Intentions.

Or perhaps you roll your eyes whenever brothers break out in violent fights, like in Step Brothers, because a lot of brothers actually get along.

Or maybe you CAN'T STAND IT when twins over the age of five are always wearing matching outfits, like in Sister, Sister.

So, it's time for *you* to tell us the most unrealistic thing siblings do, and which TV shows and movies they come from.

The best submissions will be featured in a BuzzFeed Community post!