There were a few reasons why they still stayed together when they knew that their love would not work out. Love is a strong emotional experience, not just for the result, but to enjoy the process of being together and each other's company. Even if they knew that there might not be a result in the future, the power of love still made people willing to persevere. Being together can bring about a deeper emotional connection. Even if there were no future plans between the two of them, they could still support, understand, and care for each other. This emotional connection might make them cherish each other more. 3 together might bring about some positive effects. Even if there were no future plans between two people, they might learn to respect and understand each other in the process, becoming more mature and loving. Being together might bring some risks and opportunities. Even if there are no future plans between two people, they may find common interests and goals that may help them build a closer relationship in the future. Being together might bring more good memories. Even if there were no future plans between the two of them, they might spend many wonderful times together, and these memories might become their precious wealth. To sum up, the reason why they still wanted to be together despite knowing that there was no result could be that there were many different situations for everyone.