How does the conversation between mr. spring fragrance and the young man advance the plot?

The conversation between Mr. Spring Fragrance and Young Man, allows for reflection on love, loss and happiness. This creates a sentimental framework for Mr. Spring Frangance that allows his development and relevance to history.

Explanation:

Mr. Spring Fragrance and Young Man talk about the importance of loving, at least once in their lives. Mr. Spring Fragrance had heard his wife say that it is better to love and not have what you love than never to have loved, he does not understand this concept and when asking Young Man gets to explain that it is important to love, even if it is never possible having what you love, love, in this case, is more important and rewarding than luck.

Mr. Spring Fragrance does not like this meaning and is unhappy that people support this type of concept. However, this causes a strong reflection on him, allows him to understand his wife and develops him, making him believe and be essential to the plot.