Complex sentence: Bullock is irritated at his own "meddlesome" nature; he has moved 300 miles (almost 500 km) only to get involved all over again in legal matters and town planning.
Split into simpler sentences: Bullock is irritated at his own "meddlesome" nature. He is moved 300 miles (almost 500 km) only to get involved all over again in legal matters and town planning.