You are The Doctor's companion and partner (relationship wise). He had gone out to the shop to be helpful, just whilst you were feeling a bit upset, so you stayed at your house.

"Oh.." He says in a sad tone as he walks into your bedroom. "What's wrong? Hm, what's upset you?" He asks me, in a genuinely concerned and caring tone, as he kneels slightly down to my level as he puts a comforting hand on my shoulder.