When you retire, you switch bosses - from the one who hired you to the one who married you.
Grandparents are there to help the child get into mischief they haven't thought of yet.
Grandchildren: the only people who can get more out of you than the IRS.
Like good wine, marriage gets better with age - once you learn to keep a cork in it.
Grandchildren don't stay young forever, which is good because Pop-pops have only so many horsey rides in them.
I like to do nice things for my grandchildren - like buy them those toys I've always wanted to play with.