This was so sweet. I absolutely love the softer side of Rossi, especially when dealing with Hotch and his issues.

but Dave tended to have an innate sense for what would make Aaron feel better
That is so canon.

The hand-holding was such a great touch. I could picture them meandering along, holding hands without a care in the world, and it made me smile.

since I'm an irascible childless bastard
That is an absolutely brilliant line.

When Dave's done massaging Hotch, please send him my way, I could use a good massage. At the very least, he could read his book to me while wearing his glasses ;-)