rocket science

"A good rule for rocket experimenters to follow is this: always assume it will explode." - Letter to the Editors of Astronautics
Hair and make up trends sneak in to our bedrooms sometimes without us even realising. Look at a photo of yourself from the 80s or 90s, even the early noughties. See what I mean? So we're all effected by fashion, ie the "tops and bottoms".