What I love about this photo (aside from the adorable subject, of course) :
The focus- I like how the focal point is on his cute little lip...nice to have a different focus than the eyes for a change.
His expression- inquisitive, interested, on the verge of a coo...I love it.
The lighting- I love spring. It gives me so many more options for light. This was outside around 3 pm under a tree (open shade)-perfect. The colors are so much richer in the perfect spring light.
The grassy bokeh (or blurry parts)- the grass bokeh gives it a richer color for the background, but it doesn't distract from the subject of the photo.
Creamy skin- I love the skin tones in this...creamy, soft, light.