Complex sentence: Among his peculiarities included being a vegetarian who loathed vegetables; having vowed to give up meat, and disdaining green vegetables, he lived on a diet of bread, butter, fruit and tea and he rarely drank alcohol.
Split into simpler sentences: Among his peculiarities included being a vegetarian who loathed vegetables. Having vowed to give up meat, and disdaining green vegetables, he lived on a diet of bread, butter, fruit and tea and he rarely drank alcohol.