Hi there,
I'm a cis woman, so I might be able to help you out a bit with this.
If you are having problems with over the top "gay male imitation of feminine" movements. I think what would be best would be to actually "travel back in time". Watch some really old movies and get some deportment books from the late 1800's early 1900's.
This is the real old stuff, the good stuff on etiquette and manners and movements. (I have a bit of a thing for this time period, but I always receive compliments on my gracefulness even as a cis woman)
Be graceful rather than over the top.
Slow down your movements, think of yourself as a Noble woman or something (not a princess as the brain can associate that with over the top girly movements)
My advice is to slow everything down, so that you don't react in large movements or hand flicks. Think as calmly as possible like you are handling small creatures etc.
This should maybe help you to "reset" your learned behaviour movements. From there you can start to normalise things again to today's more relaxed environment.. There isn't really too much difference in male and female movements in today's world. Other than I think males take up more space.. Eg. Sitting with legs open compared to females sitting cross legged.
But this older style of movement still actually exists subconsciously in many females as its still passed down in small hints of how females should behave, even in today's society.
But essentially it's okay to be yourself.
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