Complex sentence: His sporadic time traveling is further complicated by the fact that he is completely naked when he arrives at his destination, and from a young age he has learned how to pick locks and steals in order to acquire clothes and survive his travels.
Split into simpler sentences: His sporadic time traveling is further complicated by the fact that he arrives at his destination completely naked. From a young age, he has learned how to pick locks and must steal clothing to survive his travels.