Thanks to the Internet, not only have we learned that kittens sometimes knead each other in a massage-like fashion, but that these lil' guys are are all grown up, and still at it. My, how they've grown! Observe:
First, a look back at the original.
Reports the blog Catsparella (yes, Catsparella — you either love it or hate it, we suppose), the cats — Oreo and Clea — are now about a year old and still licensed kitty massage therapists.
You know, in case you were wondering.