Vacation Mud Slinging

My AGW and I  took the kids on vacation this past week.  She made an acute observation: The kids are always on vacation so how is this different?

We headed to one of our favorite places as it is family friendly, affordable and not too far from home.  The kids love the beach and so do we with one small difference.  The kids want to play, play, play, while we want to sit and relax.  Guess who wins.

So at the beach we dig a hole that the lake fills with water as a hole is more entertaining than the lake.  We build sand castles that the Girl destroys within one minute of finishing.  We then play in the water and jump over waves.  We have kites to fly, snacks to eat and burying people in the sand to do.

With all that there is one thing the Boy would do non-stop that I just can't grasp, throw mud, sand or anything everywhere.  We must have asked him to stop 1,000 times but it didn't matter.  I think his brain was locked on "MUST THROW MUD!"  I tried to divert him but it didn't matter, as soon as the diversion was over he would go right back to throwing mud.  His throwing mud and sand can only lead to one thing, the Girl wanting to be like big brother and tossing around a little mud and sand herself.

With everything else to do what is so fascinating about throwing mud at the beach?