More than 20 centuries ago, Aristotle wrote that ethics and therefore happiness lie somewhere in the middle of extremes...where that somewhere exactly is has been debated since his Nicomachean Ethics came out, but few people would dispute that, to a certain extent, some truth lies in his premise.
The Iberian peninsula and Spain in particular has literally been the crossroads of Europe for time immemorial. From prehistoric man fleeing the advancing glaciers during the last ice age to the 8th century Arabs and Berbers crossing the straight of Gibraltar from Africa and now the millions of Nordic Europeans who today flee the stress, gloom and rain endemic to their homelands.
This movement of peoples has obviously left its mark on the land. Drive 100kms from here and you find stone age tombs buried under Roman ruins. Arabic castles dot the mountaintops and Visigoth churches lie lost in age old olive groves and we can't forget the scenic German men wearing socks and sandals.