Answer:
From this line, we can infer that kenniston is very responsible; organized. I'm not sure of the entire context of the story, but from this sentence, we can see that kenniston is most likely a natural leader, declining a suggestion (whatever it is) that would prevent him from carrying out his duties/responsibilities.
Explanation:
A celebrity works hard to get the attention of the public and once s/he becomes famous, s/he constantly tries to avoid the attention. Being a celebrity is certainly not a piece of cake. They get all the attention of the world at the price of personal space. It is a debatable topic whether being a famous personality is a blessing or a punishment.
The second one. Cody and Aleena are the antecedents and <em>their</em> is the pronoun referring back to them.