1. The older child will claim boredom periodically when home from school for a span of days. If you are anything like me you will respond with "That's your problem, not mine. Find something to do with yourself. I just did [this] and [that] with you."
2. You will have grand plans of all the fun, quality time, proven to be awesome things for your kids to do with you that day. Only basic needs like so and so pooping, so and so being hungry, and various chores will narrow down your cool-time window to one or two activities.