First, the infant. Second, the whining school boy. Third, the lover. Fourth, a soldier. Fifth, the justice. Sixth, age shifts. Seventh, "THE LAST PART OF THE POEM"
it says EXPLAIN!
You can actually explain these stages without others answering it. You cant always rely on the internet. You just need to make your own sentence to explain it. It's very easy to explain, you can do it.