Here's reason No. 3,134 why people must love dogs. Watch this docile little genius (above) deliver his human a cold beer from the fridge when he says "Miller Time," allowing the guy to remain on the couch in front of a television as long as his bladder will allow.
This beer-fetching trick harkens back to the series of Stroh's beer commercials in the 1980s in which Alex the Dog (real name Banjo) could fetch a beer from the fridge:
More recently, Bud Light had a couple ads featuring man's best friend as well: