No, it's not just you. Siblings really are unbelievably weird.
But just how weird is your brother or sister? Jimmy Fallon wanted to find out. In his latest segment of the "Hashtags" game, he asked Twitter users to post something "funny, weird, or embarrassing" about their siblings using the tag #MySiblingIsWeird. Then, he sorted through the tweets and picked out some of his favorite ones to read aloud on The Tonight Show.