Because he has nothing better to do, our man h.a.m., a born thumb-sucker now in recovery, thinks about things until revelations and/or awesome jokes burst forth from his disheveled head like the petals of sunshine that burst through forsythia shrubs.
You know where the library is, with all those dusty tomes on philosophy, sanity, prosody, etc.; these h.a.m. sandwiches are snacks to tide you over until you’re ready to take learning into your own hands!