The thematic statement that is supported by Teiresia's character is that "<span>Familial loyalty supersedes civil obedience." The loyalty within the family is strong that even the civil obedience under it. Family is considered as the basic unit of the society.</span>
<span>The neighbor waters our plants whom we trust the most while we travel.
The way this sentence is phrased, it sounds as if your trust the plants and not the neighbors.</span>
Because the nurse is her trusted adviser, and basically like another mom to Juliet. ;)