Has depression... (?)Tom feels like he needs to hold onto his sorrows, and that it is so sacred he has to move away when Mary comes in and breaks up his bad mood. Thats all i can explain, maybe you can find the answer.
Metaphor - it compares two things that are not alike
Explanation:
A connotation is a commonly understood cultural or emotional association that any given word or phrase carries, in addition to its explicit or literal meaning, which is its denotation. A connotation is frequently described as either positive or negative, with regard to its pleasing or displeasing emotional connection.