When you want to join an RP so you spend hours reading into the lore and asking questions and mentally designing your character, only to click over to the Char tab to find that someone has already submitted a character that is pretty much exactly what you were about to do. It's no one's "fault" or anything but it always sucks when you have to toss a solid character idea, especially when tweaking a little to make your char similar but different isn't allowed by the GM.