Sometimes I get down on the floor and assemble block towers and read books and sing "The Itsy Bitsy Spider"; sometimes I can't be bothered because I'm just so bored with entertaining a baby for 10 hours a day.
We're not superhuman or infallible. And our kids will wear us down and find this out. When we've got nothing left, they will ask for one more story. While we're having sex for the first time in seven weeks, they will wake up and call for a glass of water. And they will call us on our hypocrisies.
Parenthood isn't about perfection. How could it be? At its core, it is the business of imperfect humans raising other imperfect little humans to the best of their ability and loving them with everything they've got.