To be shocked at how deeply rejection hurts is to ignore what acceptance involves. We must never allow our suffering to be compounded by suggestions that there is something odd in suffering so deeply. There would be something amiss if we didn't.
If children were brought into the world by an act of pure reason alone, would the human race continue to exist? Would not a man rather have so much sympathy with the coming generation as to spare it the burden of existence, or at any rate not take it upon himself to impose that burden upon it in cold blood?