What have I become? (Joker X reader)

I am very excited for this book. I have many ideas I want to introduce and it is also my first xreader! I hope greatly that you will enjoy this tale of insanity and romance! (May have other romances then just Joker by the way)
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Introduction:
Hello I am (y/n), I am a psychiatrist and I love my job, however, working with this man, of all people, I did not expect. I am hoping not to have to stay here long and I am able to return back to my original home and city. I know all the crimes and stories of how he turned Harley, I have done all my research on this man and I am prepared for anything that may be thrown my way, will I be able to keep my sanity or loose to a mad man?
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What do you think? Will you be able to hold it together long enough to return home or fall in love with a mad man and give a new term to madly in love. Read to find out!