[Sighs, the frustration he feels towards himself seeping into his voice as well]
It shouldn't have been any different, before. [Because like this, he can't remember that those versions of him wouldn't have been like this, wouldn't have yet been the shopkeeper, not yet tied to the spirit world like he is. For him, there is no discernible difference between that "him" and this "him", which is why Dou's phrasing sounds incredibly strange to him... because it would have been the same, wouldn't it?]