If The Crown was 27 Dresses, Elizabeth would be Katherine Heigl's character: high-strung, martyr complex, unable to relinquish control, stickler for the rules at all costs. Margaret's the fun sister played by Malin Akerman: a bit irresponsible, flirty, feisty, and determined to be the life of the party.
Although cassia oil can be a skin irritant, it does have some good properties and this warm exotic oil is more than just a fragrant oil, as it can be used in fever, chills and for supporting the digestive system. Cassia oil has a warm pungent smell.
Have you recently ingested any zinc cold remedies? These products can cause olfactory nerve damage which results in odd smells/tastes and even a complete loss thereof. I have olfactory nerve damage from a zinc cold remedy (cough lozenges) and I smell sulphur or burnt hair all the time. When the damage first occured I smelled ammonia very strongly.