Old man and very Old man
Meter (rhythm)
youthful hope disputed by the passage of time. 1st two lines are standard IP
Then there are extra syllables and interruptions that slow the momentum
Primarily irregular iambic pentameter
Speaker’s inability to control passage of time
Unpredictability of life
Human life cannot be perfected to mechanical/orderly actions or rhythms.
Context
written in the time of new ideas (eg Darwin’s theory of revolution)
Victorian era
AB
written in his 50s
Inspired by classical literature, such as Virgil
Was a physician for years; abandoned work to be a poet after making lots of money