IMHO this is a great photo but I think the BG mite hurt it a bit as it just feels hard and cold to me, maybe a yellow or orange BG with a soft spot on it for texture IMO mite have kicked it up a but. I like it either way and going to kick it up a notch on the score board as I like it more the second time around.
I find the face too distracting from the picture. Especially with the almost florescent colors against the black background. If the cup was on its own i would have rated higher.
Great colours, especially with the black background, although I think it may have worked even better without the person 'drinking' from the straw and instead utilisng the negative space to accentuate the contrast