There are eight sufferings in life - birth, old age, illness, death, separation from love, not being able to get what you want, meetings of resentment and hatred, and suffering in life.
He said separation is the most painful.
However, I feel that life is the most painful.
PS: Waiting is working hard on coding, because there are still short stories to write. Although I have saved some long stories, I still feel that they are not enough, so I set up an automatic update every three days.