1, this is a more subtle way of expression, the meaning is to imply that the boys have the opportunity to develop a romantic relationship with the girls, similar to "the opportunity to grasp". This is a positive response.

2, another layer of meaning is "one side of the other side of the love has been ripe". Different degrees of ripeness of the plum on behalf of the two sides of the good feeling from shallow to deep, love has long been ripe, meaning that super like each other. This is when one takes the initiative to interact with the other party.

3. The third level of meaning is: the plums are ripe, but the person who used to pick the plums together is no longer there. It means nostalgia for the past, and at the same time indicates letting go. The plums are ripe and will end this cycle of life and begin a new one, a fresh start. Comfort the other person when you reply yourself.