does it go back and forth?

Does transition go back and forth until your body fully converts to using E?

Okay so it sounds strange but sometimes I look at my fingers and hand and they look small and thin and pearly white and then the next hour they look manly and veiny.. same goes for my face I'd say once every two weeks I look in the mirror I think wow the E is working and I'm looking feminine then for the rest of the time I see man.

Is it my mind playing tricks on me or does the body quickly shift back and forth until your body just accepts the change 100%?