I wouldn't say I 'reversed' - and I use that term for lack of a better one - but I did pause at certain stages, mainly due to external factors such as family, social, career or medical. I took these opportunities to let my mental-self catch up with physical/social changes.
Early on - before social transition and HRT, I did attempt to not go any further with my transition, to keep my family together. It was a decision that almost cost me my life.
I think if someone who is continuing to explore their gender identity feels that moving back closer to their assigned gender may work better for them, then it's great. If it's due to external forces, less so.
Also, let's no forget our gender fluid friends, to them transition/de-transition are quite meaningless expressions :-). X
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