Any stories of people doing a 180 on their fawning/people-pleasing?

I’m aware - and often ashamed - of my fawning for safety. It’s as if my genuine responses or instincts are filtered by “niceness” before it comes out. Recently I’ve thought about being more direct, bold and possibly rude/mean since I KNOW ITS THERE. It’s more that I’m afraid of letting that air out bc I think it’s probably unrefined and maybe “too much”/insensitive/childish yada yada.

Has anyone done this and have success or good stories? Looking for a long-term switch in ways of being