I'll just leave this here

oh for fucks sake...

Maybe this video will interest you.

If that doesn't work take them to the bathroom. You only have to do that once or twice when the are young and they'll straighten up the first time you mention the bathroom. Adults that let their kids rule them are idiots and then want to act surprised when they grow up to be rebellious teenagers, or worse worthless…

The best way to get through the store with your kids without them melting down? The word "no."