It's that feeling you get when you eat the same pizza you ate when you were ten at grandma's house. It's the feeling you get when you hear that punk rock, edgy song that you freaking loved in middle school. Nostalgia is weird, it makes you long for that life that seems so different than the one you live now. You just want to go back in time to when you were a kid and the only thing that mattered was fitting in with that group of friends you don't even talk to anymore.