How did John and Lorraine become friends?

John
and Lorraine attend the same high school, so it is perhaps inevitable that they'd meet at some
point. Their first meeting takes place on the school bus one morning. John sits next to Lorraine
and immediately starts laughing for no apparent reason. As well as being embarrassed, Lorraine
is rather upset at this. Just about everyone else laughs at her, and it seems that John is like
all the others. She tells John to stop laughing, as she doesn't want to be seen sitting next to
a "lunatic." John replies that...