Act II, Scene II and III: What are the two ways in which Benedick justifies his sudden change of heart in his soliloquy in lines 181-200?

Benedick believes the rumors. He decides that he can reconsider marriage since an opportunity presents itself. He thinks that a beautiful, wise, fair, and virtuous woman has showed up and he should take notice.

yet I am well; but till all graces be in one woman, one
woman shall not come in my grace. Rich she shall be, that’s
certain; wise, or I’ll none; virtuous, or I’ll never cheapen
her; fair, or I’ll ever look on her; mild, or come not near...Act 2 sc 3