Fake, or real tears?

2008 * Computer animation

For RVU, a Dutch National Educational Television Broadcaster.
Part of the Wisebits project, that includes 356 small movies that explain filosophical theories written by Bas Haring and his group.

Fake sadness, what is that? Acted crying, with the help of an union, is fake crying. Not real sorrow. But how real are the tears when you watch a good movie? Is that more fake than when you cry after the death of your beloved animal?