How well do you get on with your brothers and sisters? If you're like me, chances are you love them to pieces and would walk to the ends of the earth for them - but spending 24 hours with them non-stop? Well, that's a different story...
People may say that twins get along better with one another, but if you have one yourself, you might know that this isn't always the case. So when you take two polar opposite sisters who share nothing except their DNA and stick them inside a conjoined Christmas sweater for a day, you know things aren't going to go smoothly.
YouTube stars Niki and Gabi DeMartino decided that they would give this the ol' college try and see if they could stand to be so close together for a whole day and night.
They recorded the most entertaining point of their day, and quickly realized that whether they were going to fight or not, it was not going to be easy!
"Let the fights begin!"