Someone pointed out a real flaw in my work and I felt the shutters come down. I went quiet, then I found a reason it wasn't really my fault. Later, alone, I knew they'd been right. In the moment I just couldn't let the criticism in without defending against it.
More people experience this than they realize.
When your work is criticized you go quiet or defensive, even when the feedback is fair.
If this sounds familiar, the Library can help you find the bigger picture.