1. Marley helped Grogan to be a human because he stimulated Grogan's sensitivity, making him feel a strong affection for Marley, just as Marley felt for him. Sensitivity is something inherent to the human being and many times, we need a very strong moment to realize that we have it. Grogan had these strong moments with Marley, who was always on his side, like a faithful friend.
2. Marley was characterized as a terrible dog, but that was what made Marley great. Marley was smart, peculiar and unique. All of these characteristics were very well represented, making everyone want it.
Explanation: So the first one to the mayor is assertive, concerned and polite. The second for the Local Newspaper is demanding, persuasive and logical. And the third for the uncle is just the very last one.
