Al Franken describes it best in Lies and the Lying Liars Who Tell Them:

"They don't get it. We love America just as much as they do, but in a differenct way. You see, they love America the way a four-year-old loves her mommy. [We] love America like grown-ups. To a four-year-old everything mommy does is wonderful and anyone who criticizes mommy is bad. Grown-up love means understanding what you love, taking the good with the bad, and helping your loved one grow."