I don't know whether the universe, with its countless galaxies, stars and planets, has a deeper meaning or not, but at the very least, it is clear that we humans who live on this earth face the task of making a happy life for ourselves. Therefore, it is important to discover what will bring about the greatest degree of happiness.
If you have done the best you can do and if you have gotten all you could extract from something, you have given all you had to give, then the time has come when you can do no more than say thank you and move on.