He's pretty fun these days -- makes noises, does his best to spit out mashed peas, laughs, grabs. Doesn't really like being put down, which might be why he doesn't roll over yet (he can do front to back, but not intentionally). Stares at Skillet as if he held the secrets of the universe. Skillet has consented to let himself be touched a few times. Skillet still outweighs him, but it's getting close
If this were C I would have reams and reams of additional information, but B is just a normal baby. Or rather, our expectations of him are more normal.