If I could live to 150 and have a reasonably good quality of life (i.e. I still have my mental faculties, move around, see & hear well enough) - that would be i

If I could live to 150 and have a reasonably good quality of life (i.e. I still have my mental faculties, move around, see & hear well enough) - that would be ideal. But not if I can't see, hear, think or move around without assistance. I don't just want to exist longer - I want to live longer.