No bond is quite as special, loving and endlessly irritating as the one sisters share.
16-year-old Trinity Hartman and 12-year-old Jordan Torstenson know this as much as anyone.
Trinity shared a screenshot of an argument with her little sister on Twitter.
The all-caps screaming messages suddenly make way for movie plans. What?
People related to the exchange.
Others started sharing their own sister chat. And it was all basically the same.