I love you so much I think of you a billion times a day which literary device is used in this sentence

The literary device used in this sentence is hyperbole.

Explanation:

Hyperbole is a literary  as well as rhetorical device that uses exaggeration to express a feeling, an action, or an idea. The purpose is to inspire strong feelings or impressions in one's audience. That is the case in the sentence "I love you so much I think of you a billion times a day." What this speaker actually means is that he/she thinks a lot about a certain person. However, not only is it impossible to know how often you think of someone, it is also impossible to think of anything a billion times in just one day. There is clear exaggeration here with the purpose of emphasizing the frequency of thoughts related to beloved person.

the statement flat characters usually only have one trait that is developed in their story lines is true.

its english as a dog

explanation: