I hope the poem, as it goes on, gets more complicated, a little more demanding, a little more ambiguous or speculative, so that we're drifting away from the casual beginning of the poem into something a little more serious.

I hope the poem, as it goes on, gets more complicated, a little more demanding, a little more ambiguous or speculative, so that we're drifting away from the casual beginning of the poem into something a little more serious.