Trending Gallery Bhai Dooj craziness: 10 things only brothers and sisters will understand About the famous sibling rivalry and never-ending love. So, today is all about the relationship between a brother and a sister. Your Facebook feed is full of love-filled messages to siblings and Instagram time lines full of photos with the hashtag #GrowingUpWithSiblings. It's Bhai Dooj and people can't stop talking about their brothers and sisters even if they secretly hate each other. Well, justifiably so! This relationship is famous for being the most annoying yet loving because no matter how much you irritate each other, you almost always got each other's back. Here are 10 memes we found on the Internet that you'll definitely relate to if you've grown up with a sibling.