Aren't you lucky? You're so very, very lucky that I'm not 'anybody else!'

[He announces this with a flourish, waving his arms as if he'd done the other some huge favour. A sigh and a smile on his self-proclaimed princelike face.]

I'm plenty considerate. Here I am, about to take you into my own home--

You could say 'thank you, Izaya!' 'You're doing me a huge favour, Izaya'!

[And he's going to grab the other by the back of the shirt, now, and drag him inside.]