Read the text below then answer the comprehension questions from 26-30. Mark had always been a quiet and introverted person. He spent most of his time reading books or working on his computer. But when he met Sarah, everything changed. She was outgoing and adventurous, and she pushed him out of his comfort zone. They started going on weekend trips to nearby towns, trying new foods, and even bungee jumping. Mark was scared at first, but Sarah's encouragement gave him the confidence to try new things. Over time, he started to enjoy the thrill of adventure and realized that he had been missing out on a lot in life. What is the theme of the passage?