In a way, a certain amount of self-criticism is a good thing, because it keeps you humble. Realizing that no matter what success you've achieved, you can still make enemies makes you humble, too.
One hearty laugh together will bring enemies into a closer communion of heart than hours spent on both sides in inward wrestling with the mental demon of uncharitable feeling.
A father may turn his back on his child, brothers and sisters may become inveterate enemies, husbands may desert their wives, wives their husbands. But a mother's love endures through all.
You don't want to dwell on your enemies, you know. I basically feel so superior to my critics for the simple reason that they haven't done what I do. Most book reviewers haven't written 11 novels. Many of them haven't written one.