Why Do Americans Keep Spending Despite The Enormous Account Deficit?

Despite a widening account deficit, the US seems to steam ahead of its other western counterparts. Why is it that Americans are spending more than ever, even in times of an unpredictable future? A worsening income inequality does not seem to have too much impact on the overall perception of the American dream. Why is it that on the one hand, America has some of the best universities and research facilities in the world, and on the other hand, poor children do not have access to health care? Do they believe that their economy is purely better than everyone else