Their meeting may have been a sign of guilt or pity... He grew up with her, and she lived the way she wanted. No matter what changes happened, they never gave up. Maybe they knew that they were no longer the same people they used to be, and their love was already deeply rooted.
Concept: Love doesn't care about age or gender, it cares about the person. We will meet many people in this life. Recognize your heart and love with confidence and boldness.