One's cologne can really be an offense to the sense, and I am not being naggy.
I was having my breakfast and then someone with a very strong perfume walked behind me. I can smell the 'sweetness' of the aroma from when she was still at the other end of the table. And then she was passing right behind me. I was eating a slice of bread. Suddenly, the strong bitter-sweet aroma rushed into my nose and the bread tasted like perfume.
Be careful of how you smell. People could die, no.