When you have your own kids you'll discover that the secret rule is that it takes 2 kids at least twice as long as it will take their dad (for a variety of reas

When you have your own kids you'll discover that the secret rule is that it takes 2 kids at least twice as long as it will take their dad (for a variety of reasons; experience, distractions, lack of focus, etc.). 3 kids even longer. A corollary is, "The more people in your group at dinner time at an event, the less likely you'll actually eat that night". ;)