Overheard in my household today:
Scene: The bedroom, where my husband is preparing to shower by doing his pre-shower mini-exercise routine. My daughter is "exercising" too.
Daughter: Exercise is good for you, right, Daddy?
Husband: Yes it is!
Daughter: It helps you live a long time!
Daughter: You and I are going to live a lot longer than Mommy, right, Daddy?
(For the record, I get up a half hour earlier than necessary so I can work out before I go to work. My daughter is well aware of this.)