Try this with a dog run, too. Place your wife and your dog in a dog enclosure and lock the fence. When you open the gate an hour later, which one is truly happy to see you? Proving that a dog really is man’s best friend.

What about women? They say that “diamonds are a girl’s best friend. Is it true? Try this test once again with a dog and with a diamond. Which one really is a girl’s best friend. So next time she asks for a diamond, surprise her – get her a dog instead.