I have to say, the magic in being a parent is 2-fold.
1) an unexplainable love... that while an unconditional natural love, still has conditionality that is relative to the decibel level of cries (kidding... sort of)
2) watching the amazing development day-by-day!
At the moment, he is discovering his hands. The best depiction of his hand-oriented motor skills right now comes from a classic, modern masterpiece -- Telladega Nights, the Ballad of Ricky Bobby.
You don't need to understand the movie, just watch his hands. I almost think Reid is trying to mimic him even though he has yet to see the movie.