Reading words in appropriate sets rather than one-by-one is called: Phrasing
This counts as rhythm, the poet uses this to embed this into you mind and also to prove is point. But also there is a meaning to it as well.
She kills herself because they couldn't be together anymore
Answer:
For example, when A sees B drowning and fails to save him, A may be drinking, singing, whistling, or dancing while not saving B, but this is still classified as omission in the legal context (requiring a duty to act in order to convict) since these actions are not related to the result.