What did you do with MY ...xyz... I BOUGHT THEM

 language usage. use 

talks like this in reference to things

"I put them in the cabinet, where they belong, " I answered.

"You said 'my crackers'. Does that mean they are yours and you don't share?"

Oh I will share them, he said. 

Then why did you say MY crackers?

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In reference to me he has said on several occassions ...

"There is A WOMAN in my bed", instead of "YOU are in my bed"