Percocet used for pain relief is a narcotic medication and prescriptions can prevent people from getting high on Percocet without medical reason.In fact, the Percocet high feeling can get you into lots of problems.
I think the formula of the perfume itself decides how fast it will spoil. My perfumes from Britney Spears Curious and Salvatore Ferragamo went bad within a year and a half. The Britney Spears one developed some precipitation and started smelling like alcohol, while the Salvatore Ferragamo just smelled plain weird.
Why perfume smells different to each of us: Receptors in the nose vary by 30% in two different people. 1  Human nose has 400 different receptors-one change could be dramatic. 2  Paper published by Monell Chemical Senses Centre in Philadelphia found one thing could smell like sandalwood to some and urine to others.