Who is The Iron Man in Iron Man 3?

The impression of American movies are always advertised heroism, it is the main theme of the kingdom. We saw the Americans on the screen full of dreams and passion. The film aired on the United States values, in this film; it is undoubtedly the best place to achieve the dream of a hero. That provided that the protagonist hero is a hero dream standard forms. Many young people like the Iron Man 3 cosplay, the Iron Man reactors, Iron Man T-shirt in the movie, all love fans like them.
After watching the film, I think most of the Iron Man fans will have a question, that is abandoned armored combat also is the Iron Man?

Like the film's ad says that "in the end, the armor of his achievements, or was he created a set of armor?!"
In fact, the answer is in this question.
I think in the film, Tony and the child together, it meets the prevailing feelings of depression and self-doubt. The end of the film, Tony Stark relieved throws that symbolic reactor after pick up from the foot of a wooden screwdriver, and he is a machinist. Because as long as Stark exist, this talented, confident, sublimation of the "Iron Man" will create a more advanced "combat gear", so he finally said: I AM THE IRON MAN!