It has been “one of those days.” I think everybody knows that being a parent is not all sunshine and roses. We all have difficult days when it seems that our best efforts to discipline in love, to stay calm when our kids are tantruming on the floor, simply are not enough. We snap back and punish harshly. We throw a big fat tantrum ourselves. Our children fail on a daily basis, and so do we. And often we get to the end of the day and wonder, does that mean that we are failures, too? Maybe I am the only…