She was 12 years old, and he smiled ferociously on a bruised and swollen face, but his voice was so gentle that it could make water flow, and he said, "You are still a child." Her heart fell deeply at that moment. She was 17 years old, and he stayed by her side all day long to see her happy and accompany her when she was sad. The unruly person in the past began to learn to love and protect someone. Seven years, I spent seven years getting to know you and falling in love with you. The world is so big and so small, can you see my heart?