Weren't you a child once? I was, too, as were your parents, their parents, and so forth. Parenting isn't supposed to be an easy thing to carry out, but what work is easy? We can get accustomed to work overtime, and then it'll seem easy, but in reality, we get stronger through dedication to perfecting our work for the good of ourselves and others.
And so, if parents care for their children, showing them love and affection through word and action, they can help their children become instruments of light in a world where darkness is promoted as the way to peace. Yes, children can be a pain, but if they're treated as just that, the world ahead will become a worse place for them than it is currently for us.
Roadblocks are what people deem themselves as true inconveniences. If we stop to talk and think about how we can change for the better, perhaps children and adults alike won't be "pains". Perhaps...