By appealing to pathos aka emotions. Most intelligent people resent this style of persuasion. Your parents are on death's doorstep as is everyone in their late

By appealing to pathos aka emotions. Most intelligent people resent this style of persuasion. Your parents are on death's doorstep as is everyone in their later years. It may be more meaningful to figure out what experiences you'd like to share with them in the limited time you have left instead of trying to prolong their existence at the cost of straining the relationship. In other words don't put off whatever you might potentially regret not having done if they were to pass away suddenly - with each passing day, the inevitable conclusion every human being shares only draws closer.