Answer:
a group of lines( forming the basic recurring metrical unit in a poem )
Tired, and possibly dehydrated.
The main idea of this poem "When You Are Old" written by Willian Butler Yeats is about "Love, Loss, and Regret". The guy who is was very in love the woman who keeps rejecting him for many times already even if he's love is pure and unconditional. He said that the woman will regret of not marrying him.
<span>It introduces the main focus of the article and creates interest.</span>