structure & rhyme scheme of the poem + why its like that
first 14 lines: shakespearean sonnet + shakespearean rhyming couplets
the speaker feels complete when they have been successful in their pursuit of creative flow, hence the 'perfect' shax rhyme scheme
last 14 lines: petrarchan sonnet + fragmented rhyme scheme
dissonant, jumbled rhyme scheme: reflects how the speaker deteriorates as they is overpowered by the insurmountable day