If you want to know who loves you more, lock your wife and your dog in the trunk of your car overnight. When you let them out in the morning see which of the two is happiest to see you.
Yup.
I was married three times and I tell friends that one of the major differences I saw between my wives and my dogs was that the later I got home at night, the happier the dogs were to see me.
To see my pack of dogs, click on my name.