On Sun, 29 Mar 2015 10:51:48 -0700, Oren wrote:

On Sun, 29 Mar 2015 08:47:33 -0500, philo wrote:

Just wondering if someone in the house might be sneaking a cigarette?

What does the OP do for a living? Dirty laundry nearby.

Phantosmia - aka olofactory hallucination. Generally nothing serious
but can be a symptom of a brain tumour.
Or possibly parosmia, where a common scent is mis-interpreted. You may
fart, for instance, and smell a rose ;}. Perhaps you sniff your armit,
and smell wood-smoke.