[Because it's Illarion's job on this curséd earth to fluster Bigby.]

Ahhhh. I am sure that suited, [illarion no,] the man you were as well as this one will suit you. [...Interesting, though. Madam Generosity had also gifted him something much more appropriate to who he'd been than who he is now.]

How many reasons would you like? I am giving you two to start: It is a gift from the kindest of Pthumerians, and I am certain you will look very handsome in it.