An important part of being a father is knowing when to teach your child a lesson and when to let him learn that lesson on his own.

You could stand in the same spot all day warning your son that he's about to crash into a tree, but, at some point, you just have to let him crash into it.

For one thing, it's a great way to introduce him to the perils of target fixation.

For another, it makes one hell of a funny video.

[H/T: Reddit]