I'm sorry to hear about the increase in insurance. That is a huge per cent increase.
Him being left handed would surprise me very much. He may by inclination be a lefty but I would expect that he has forced himself to use his right.
The culture to not use the left hand except for personal cleanliness (and NO I will NOT explain) is very strong. When we return to the states, it is so ingrained that we cannot go through a drive-through window without difficulty.