At the end of the story, why does it say colin doesn't "trust himself to actually
speak? "
1) he doesn't think he knows enough american history to ever be friends with
any of his classmates.
2) he is secretly planning to return to london to live, so he doesn't want to
waste time getting to know any of his u. s. classmates.
3) he thinks it's too good to be true that he might get to be friends with any of
his american classmates.
4) he won't admit it, but he cannot stand americans.