No.

_{[ There was no hesitation in the answer, and he looked over at Spock, their eyes meeting.}

Oh there were many emotions swimming around inside of him, roiling and hissing, but to say he was unhappy? That would be a lie. Even in Luceti, he could be happy. He had friends, lots of them, a second chance at life - albeit in a kind of sucky place. He was still working through a lot of stuff, but he was, yes, happy. ]