If you are male you are not and can not be a woman.
You never will be a "woman" while the word woman is used to mean female human.
You may feel your inner self image is more important in every social situation.
While your have a right to feel that way you can not impose that self image into the social context where your sex and the sex of the people around you is relevant to the social context.
Trans Activism has been all about changing the meaning of words to missex individuals.
If not TWAW, TMAM and NB are valid would not be a slogan used to push the message.
If there was no attempt to change the meaning there would not be claims that Transwomen is a transphobic spelling and that "Allies" must add in the space between the s and the w.
If there was not any attemp to change the meaning TRA would not be having meltdowns and bullying people live on TV.
If you are interacting with others you sex may be relevant if you break the social contract eg enter into what should be a woman only single sex space.
Or while you may have changed your meaning to include some males when you use the word women you knowingly engage in a verbal deception if you know (or have no reason to not know) that the listner is not including any males when they hear or use the word woman.