I know mood affects my appreciation of the different single malts in my collection.
Ralfy is interesting to a point but you have to go with what stimulates your tastes at the time you are experiencing them.
I've always been a, had to smell everything freak, to the point the nuns in Catholic grade school used to beat the cr*p out of me trying to break me of the habit.
One of my absolute favorite smells was the freshly split odor of red oak firewood and it's various stages of age and decay.
It's just like music, if you like it...