[The fact that she is taking this so lightly isn't doing much to curb his ire. Sure maybe he was blowing this out of proportion, and maybe he had become overly possessive of the child he in reality had no claim to. The timing had been such that Tiriaq had essentially been used to fill a year long void- but not even Kaiba had fully realized or accepted this. One day, he would find a way to reunite with his actual brother- but for now he was growing attached to this one.]

No, you just filled his head with lies that could have had disastrous consequences you haven't even considered. Much better. [Sarcasm practically dripped off of the final two words]