[RWebb]

frugal tastes - likelihood of change in that?

no dependents (? - you said live alone)

projected length of time your money must last?

health care costs might skyrocket esp. if nothing is done to contain them

taxes are bound to go up; even the mortgage deduction might be hit (tho I suspect that is not real likely)

prospect of future income? - i.e. a surgeon can't work if they have the old-age shakes, but a radiologist or attorney could

what are you living on right now (we don't need your exact figure, but just some relative figure w.r.t. the $70,000/year they are telling you)