Q: She also doesn't identify herself as a mailman but steve does, maybe its because she did deliver something to steve without him realizing.
A: no one really knows why paper mail carriers are there anymore. nowadays we mostly use email for everything. which is another reason why 'mailman' seems like a fun idea. everyone knows what it is, and it seems familiar, yet in the back of your mind, what are they really doing? it's just a person who visits your house every day. which seems nice