Answer:
the author's purpose is to persuade or convince
I mean this is more ao but Fifty shades of Grey is pretty similar to the concept you’re describing.
The helping verb is <u>have</u>, as it shows a continuos tense.
Because I talked to them about how I felt after I failed my test, they comforted me.
Example: You cried to a friend about a bad grade and they told you about how smart you are. (Not sure if this was too helpful haha)