Context: So call me a book snob but as I always say , too many books , so little time . And I believe there 's one about life 's too short to read bad books . And then there 's different strokes for different folks . I ' m so wise .

Question: What has lead the speaker to express their preferences in relation to books ?
Options:
0. They are trying to build credibility so that we will buy books from them
1. They are attempting to persuade us to believe that they know what they 're talking about
2. They are trying to become a writer and are trying to justify why we should give them a chance
3. They are simply explaining the kind of person they are and are clarifying their ethos
Answer: 3