Medical Insurance coverage at 90!

Why does a person need medical insurance coverage at 90, or 70? Well if one is LKY or Wee Cho Yaw, when life is a bliss, when everyday extra on earth is better than another day in paradise, you would need insurance even at 100 with the premium costing $100k a year.

Would a 70 year old retiree need to have medical insurance if he is living alone in his lease buy back flat or with his retired wife