They will have much to be anxious about. Although the new therapies could extend life and youth, they cannot revive corpses. How dreadful to think that I and my loved ones can live for ever, but only if we don’t get hit by a truck or blown to smithereens by a terrorist! Potentially a-mortal people are likely to grow averse to taking even the slightest risk, and the agony of losing a spouse, child or close friend will be unbearable.
Deplending how retirement is redefined for a-mortality, you also have to throw in the fear of running out of money before dying or the necessity to remain in the workforce forever, neither of which would necessarily contribute to happiness.
