Whether the heckler is out in the world or in your head ask, "What do I reject, and what can I correct?"

Secret Service article:

https://forge.medium.com/the-secret-service-training-tactic-for-building-mental-endurance-748d5d1e14c0

Inner Critic TED Talk

https://www.ted.com/talks/kari_romeo_teach_your_inner_critic_a_new_story

Thandie Newton TED Talk

https://www.ted.com/talks/thandie_newton_embracing_otherness_embracing_myself#t-189974