I also feel you moving. Lots. I get to lay on my side in the dark and feel you dance.
Your brain is growing rapidly, head expanding to make room for lots of smartness - and with plumping arms and legs, you're about two and half pounds and fifteen inches.
And the One who touched the blind touches your eyes with color and movement.
You're developing into quite a wonderful little personality. And apparently, you like to dance.
More info: Learn about Baby's Growth and Mom's Changes.