Maybe wanting and desiring is human to some extent, but I got the impression Data wanted a lot more than just that. He wanted to truly understand
humanity and experience things the same way they did-- and that's something he never fully figured out how to do.
What's odd to me, is that even while pursuing this life-long goal, he still insisted on keeping his freaky gold skin color. You would think if he truly wanted to become and feel human, making himself actually look
like one would have been a good first step.
Yeah I know that was addressed on the show a couple times, but I'm not sure I ever really bought the answer he gave.