[Too late, he's latching onto this tiny victory once he hears her say no.] HAH! You're in denial because you're nowhere near my level of brilliance!

[Sadly, she's just giving him more fodder for an entirely unnecessary ego boost.]

If you're so efficient why does it take more than one of you to conquer another species, huh? If you can even do that much! Irkens only ever need ONE invader to take over!