It will stay with you for a while if not forever. Something will trigger a memory of it one day and you'll get a chill. It;s an amazing piece of literature.I just finished it, it was.... Strange, to say the least.
It was interesting, if not a little uncomfortable to read a 1st person account of an unknowing descent into insanity.
It's also a great work of feminist literature. The real insanity is how suppressed the main character is by her husband and other women, chastising her for trying to be creative, think & write just because she is a woman.