[He steadies his grip on Ichigo, helping him stand but wishing he'd sit down again.]

Because Aruji made us human. [The straight answer to what well could have been a rhetorical question.]

It is true, this body is ...strangely weak to some things. My former master, legendary for being unharmed through hundreds of battles, died to essentially a tiny knife wound.

However, I would still take all a human's weaknesses for the chance to live this life.