As a US citizen, there are only two truths in life, death and taxes. While living in the US, we are taught, through our parents and practice, that taxes are a pain. Few can argue that taxes in the US are not a pain. And they are more of a pain if you live in a state which also has an income tax (I'm looking at your California). So we were both surprised and relieved to see how taxes were done in Spain. First, I'll share the pain,...