If you expect to succeed as a writer,
rudeness should be the second-to-least of your concerns.
The least of all should be POLITE society and what it expects.
If you intend to write as truthfully as you can,
your days as a member of polite society are numbered anyway.
I so wish I had figured this out a long time ago! I often straddle the fence between “normal” and “myself.” Every once in awhile, I hop off and spend some time in one camp or the other, but I ultimately find myself sitting on the fence again. One foot trails along the side of doing and saying and being what others seem to want or else pretty much losing their support and respect. The other foot dangles over the “what other people think of me is none of my business” ground.
If only truly being me felt more like a beginning than an ending - of the past, of relationships, etc. But maybe it’s all in how you look at it….