This was fortuitous, an email I got today. Though they spelled acupuncture wrong.

Then I went with the third definition, secret:
es·o·ter·ic [es-uh-ter-ik] Show IPA adjective
1. understood by or meant for only the select few who have special knowledge or interest; recondite: poetry full of esoteric allusions.
2. belonging to the select few.
3. private; secret; confidential.
I have a secret liking for pickles, not any that reek of vinegar which most of these pickled items would, but certain dill pickles and bread and butter pickles. I took this photo on the way to the bank today.