I’ve always struggled with homesickness. You may think that’s strange for someone who willingly chose to leave everything behind in pursuit of the unfamiliar, but both of my long trips overseas were blighted by what we Welsh call “hiraeth” or a longing for home. I’d had a tough time in Buenos Aires so I was looking forward to escaping to Argentina’s vast open spaces. My next port of call was Welsh Patagonia. Would spending time here cure my homesickness – or make it worse? My introduction to Welsh Patagonia didn’t come from history lessons or an article in a travel magazine. It came from a spoof noir novel called…