Every kid has scribbled all over something that they were definitely NOT supposed to touch at least once. There’s some unknown force that draws little hands with a permanent marker to the most expensive surface in the room. And while a permanent marker and expensive object are already touching, it would be remiss not to go ahead and complete a masterpiece.
This is an unspoken rule known by all children.
One set of parents went viral after they chose to deal with this phenomenon in a hilariously clever way when they caught their kid in the act.