Your Milage May Vary - Different patrons of a location may get varying results when they visit as compared to the poster that wrote about a location in their review. It is often a result of how you present yourself and your therapy goals, and what menu of therapy options are known to be available at the location and for the specific therapist.
In the spirit of teaching others how to fish, urban dictionary often will give you the answers on most acronyms:
https://www.urbandictionary.com/define.php?term=ymmv You may also learn the context of using these acronym by searching the private forums for the term to see how it is used most often.
