Ethos, pathos, and logos, and kairos are example of mode of persuasion. They are used to inducing others to believe in a particular idea. These techniques are always used in writing and adverts to convince the public.
Ethos is a type of persuasion to the authority or thrust worth to the presenter. It is the method the presenter talk about himself and shows to people how he/she is qualified and knowledgeable to talk about the subject.
A metaphor doesn’t belong to manner of persuasion group. It is a figure of speech. It is a creative way to describe something using references.
You can use the word "but" as a transitional word, but it is recommended to not use contractions. Likewise, your sentence will make more sense by changing doesn't to does not.
