The phrase "Thank You " is a way of expressing our gratitude. When a person has done us a favor and we want to express our feelings of gratitude for the deed, it is one of the times when we would use the phrase. From the time that we were children, our parents and family have taught us to say "Thank You ". At such a young age, we were already taught the value of gratitude. What do we say when someone gives us a gift on our birthday? We say "Thank...