At 16 years old, she looked at one person wholeheartedly.
At 17, he moved in next door to hers. She was happy with that person.
At the age of 18, he wanted to get closer to her and take the exam secretly. She traveled far and wide.
At 19 years old, he was in America. She is in Melbourne.
Although the beginning of this article is a bit ridiculous, the subsequent development will definitely not be ridiculous~