from color to b&w

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Here is a picture of my son that I really liked but I had to add more lights to the background in PSE 7, I liked it in color but thought I would give a try at converting it to black and white. I used the raw converter,desturated and played around with the brightness and contrast. I think it turned out good. But does the head being cut off ruin the picture? Thanks for looking and any helpful suggetions are appreciated.

[OsmosisStudios]

The light coming predominantly from the bottom casts shadows in an unexpected way. I think I prefer the colour version.

[TNH]

I like the B&W. No, I don't think that his head being cut off is that bad. Usually it ruins a picture, but it actually doesn't bother me in this one. I like the bokeh in the background.
Nice edit, IMO.

[star]

Thanks for your input, I thought the head being cut off was okay but then again i love his smiling face so I figured I wasnt being objective enough. I appreciate you taking the time to respond. I just posted this over in the critique section to really put myself out there.