"I'm at one with my duality" is a bit of a play on words.
1... dual... get it?
Almost sounds like something one might see on a bumper sticker.
Kinda like "I'm a schizophrenic and so am I", or "I can't figure out if I am indecisive or not"
I suspect that this person is a man. A man that has access to a picture of breasts and some perfume, which are certainly not hard to obtain.
How fun would it be if it was the guy that took the 3 dollars, and that a lot of the people you encounter each day have teamed up just to mess with your head.