I have a very good sense of smell too. I can smell what I have eaten in my urine (just from standing over it to flush) and I can smell antibiotics in other people's urine when I go into a public cubicle directly after someone else (freak!
I think I smell at the moment, I have been on anti-biotics almost non-stop since February due to a long standing bladder infection and I think they have played havoc with my entire body. My urine smells really strong, perhaps it is the anti-biotics in my urine
Also my skin smells of vinegar, even when I am in the bath the smell comes out of my pores. My OH says I don't smell though.
I used to smell really nice