I get myself into interesting positions quite often by arguing this exact thing. Suffering is a bit of information about the state of your body/mind etc. I can imagine the best life possible, with the most contribution to society, being a huge source of pain and suffering.

Generally speaking, of course, that's not a safe bet. Suffering tends to be associated with damage and psychological stress, which are rarely good things. I'd take 8/10 pain every day for the next 40 years though over something like dimentia or advanced alzheimers.

That said, I'd also take pain over severe depression. That shit sucks.