She has been in love with this man for nearly 20 years, and she has spent half of her life with him. She's not sure how many more halves there will be in the future. However, she is not willing to end the love that belongs to her alone without any results.
He didn't want to admit that he fell in love with the girl he had watched grow up. She had her own life, and although he had no way to participate, he would do his best to make her worry-free for the rest of her life.