My (not-so-evil) step-mom is crazy about feng shui, superfood and those slippers with some sort of pebbles on them that are supposed to stimulate different parts of your body. I want Sherlock to discover a thing long that line -as ridiculous as possible-, get all experimental and science-y about it and annoying the hell out of John.

Bonus points for Mrs. Hudson to jump into the bandwagon (or being the isnpiration for all this)