The best feeling is finding a new way to gross them out.

If you ever point out each other's annoying habits, it only serves as motivation to do it even more.

"Oh, am I a noisy eater?" *shovels popcorn in mouth and chews with mouth open*

Disney Channel

You simply can't let it go when one of you makes a slightly embarrassing typo.

Jasmin Nahar / BuzzFeed

You can't let each other live down embarrassing mispronunciations from years ago.

Warner Brothers

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