Different Dog Psychologies: The Problem Solver and Its Opposite

Dogs are the most diverse mammal species on the planet (http://buff.ly/1pxxt0k). They can vary in weight from 6 lb (3kg) to 200 lb (90kg) when fully grown and have widely differing body shapes and hair types.

The problem solver works until he/she finds a solution. See the video below:

The opposite character in the video below just could not do it: Related: How a Doctor Almost Killed Her Dog - ibuprofen, the key ingredient in Motrin, poisons dogs. NYTimes.