I don't see any reason that she should be mad.

If she knows who she is, should she believe what your guys' version of "dong bei3 jiaozi", either good or bad?

Everyone has his/her own version of "jiaozi", even "jiaozi" herself has her own version "jiaozi". They are definitely different.

All the versions don't matter.

But if you are smart, you take a look at all the other versions and compare with your version, you would be able to find yourself.

How many stupid people in the world?

50% of the population!

why?

By definition. (in mathematics)