Act 5, Scene 2, Paragraph 2479

Thou hast frighted the word out of his right sense,
so forcible is thy wit. But I must tell thee
plainly, Claudio undergoes my challenge; and either
I must shortly hear from him, or I will subscribe
him a coward. And, I pray thee now, tell me for
which of my bad parts didst thou first fall in love with me?