[BlackjackCF]

Practicing empathy for yourself is really hard. It's why most developers suffer from imposter's syndrome. I go to therapy in order to help "practice".

Doing all the other self-care that OP mentioned is a good way to start moving in that direction. Be patient and kind to yourself. Once you've learned that, you actually start developing and being able to feel that way about others. It sounds a little hippie dippie, but once you have patience and you're at peace with yourself, you're much better at being able to accept the faults of others.