If there's one thing the Internet is good for, it's coming up with theories about various pop culture events and milestones. They're often outlandish and wacky and sometimes even entertainingly so.

In this case, however, this one actually makes complete sense.

Twitter user and comedian Emily Heller speculated that the reason that Ross and Monica were written as brother and sister in Friends was because all of the other friends would have sided with Carol after they got divorced, because let's face it, nobody's favourite character was Ross. (Sorry, Ross).

Not everyone agreed with her, though, and it turned out that a can of worms had been opened...