The word "cheap" in this sentence doesn't mean "not expensive" but rather "low-quality" or maybe "easy to break".
The moral of the story is life is a gift, and maintaining a balance with everything in moderation will ensure a long one. The wings represent the father giving his son life; the ocean and the sun represent the extremes of denying and overindulging yourself; flying in between is the answer.
The meter in this poem is the following:
E. Iambic pentameter.
Iambic pentameter is a type of metric line used in traditional English poetry and verse drama. It is the most common meter in English poetry.
This poem in particular uses the following rhyme scheme: abba-abba; cdecde
