If you’re female and doing a traditionally masculine job, every time you prove your competence, you’re punching out of the box you’ve been put in.
If you’re female and doing a traditionally feminine job, every time you prove your competence, you’re proving how well you fit in the box.
Both situations come with different but complementary senses of unease. Hurt your knuckles punching out, or hurt your head trying to stand in too small a space.