Miss Cast.....Hey, I like that name! Had a party once and had name tags for the ladies...like Miss Represent, Miss Stake, Miss Spelled, Miss Interpeted.....You get the idea...I'm sure you do, LOL! Found them sticking all over the place by the end of the night, mostly on the backs of men.....!
Regarding your possible fungus, I got a few ideas. My husband had a systemic fungus going way back to our beginning all this stuff. We cleared it up with soaking in a bath of Epsom Salts , Sea Salt , H202, Baking Soda and a bit of lavender and Oil of Oregano. Cleared the stuff up pretty fast, and this was a very bad case.
I've been reading tons about aromatherapy. I'm totally into it now. Got a nebulizer recently and I really think it's making a huge difference in our environment. It's supposed to kill fungus amoungus (sorry). Don't know if you're into this already, but if not you should google the heck out of it.
Regarding your chosen oils....you're doing fabulous. I wouldn't change a thing. I usually stick to one and change in about a month or two. There is no exact science.