I like the concept -- but in my family the women live for a really long time. My great grandmother was 99 when I met her as a six year old. Most of my family (b

I like the concept -- but in my family the women live for a really long time. My great grandmother was 99 when I met her as a six year old. Most of my family (both genders) goes well into their 90s. It would be much more accurate if the clock started when one of your parents or grand parents died and or could use that information to create a more accurate final day.