The Deeper meaning of wall making

Why did I get so involved with my wallmaking project? Some suggested it was in my DNA, being Italian and all... I also had a grandfather (Eliseo - nice name) who was head foreman at the Basilica di San Marco in Venice. But still, does my lineage really explain how wrapped up I got into the building of my wall? Is there a deeper subconscious signficance to my wall madness?