The definition of best friend can have significantly different meanings to the people who have them. Some define a best friend as a person you can act silly with, who loves you for who you are and will be faithful to you. Furthermore, a best friend is described as someone you want to spend all your time with and never get tired of. These qualities can be found in people across different types of cultures, races and countries. However, they can also be found in animals and, most commonly, in dogs. The phrase "man's best friend" doesn't stick to the dog for any reason, it's because dogs share the same qualities as the human best friend. The dog can be compared to the best friend because it will be loyal to its owners, will be a protector and will not be prejudiced about worldly things. Just like a best friend is loyal, a dog shares the same quality. A best friend will develop an emotional attachment that will lead to loyalty to a friend, regardless of the situation or its effects. In good times and bad, a best friend will always be there. Likewise, dogs already...