Much Ado About Nothing Lesson Plan

When Leonato says "I dare make his answer—none" after the Friar asks if there "be any inward impediment" that would keep Claudio and Hero from marrying, Claudio says, "O, what men dare do! What men may do! What men daily do, not knowing what they do!" (4.1.16,11,17-18). What does Claudio mean here and how should the reader/audience take this?

As in his soliloquy from Act II, Scene 1, Claudio makes a bold claim about the fickleness of man based on events that are completely untrue. This once again portrays Claudio as a bit of a hysteric, as he finds himself so regularly denouncing others on ultimately baseless claims. Unlike the first time he did this to Don Pedro in...