Why the statement is false?

The use of long and short lines in the poem portrays the speaker's happiness.

The statement is false because the use of long and short lines in a poem does not necessarily portray the speaker's happiness. The length of lines in a poem can be used for various poetic effects such as emphasis, pacing, and creating a particular mood, which may or may not convey the speaker's emotions.

The statement is false because the use of long and short lines in a poem does not necessarily portray the speaker's happiness. The length of lines in a poem can be used to convey various effects and emotions, such as rhythm, emphasis, or intensity. While shorter lines may create a sense of speed or urgency, longer lines can provide a more contemplative or measured tone. Therefore, the use of long and short lines can be used to convey a range of emotions and is not limited to portraying happiness.