my $person2 = Person->new( ssn => '111-22-3333');
$person2->has_ssn; # true
-By default, Moose does not make a predicate or clearer for you. You
-must explicitly provide names for them.
+By default, Moose does not make a predicate or clearer for you. You must
+explicitly provide names for them, and then Moose will create the methods
+for you.
=head2 Required or not?