There is no one in this world that we cannot live without.
It's just that he loves her so much that he is afraid that if she is alone with him all the time, there will be two outcomes:
In the end, she got tired of having only one him in the world; or in the end, he had no choice but to leave her alone and she really couldn't move forward.
So, if you love her at this time, you have to let her go.
Conception: