I look inside her vanity cupboard, in search of a spare toothbrush. I'm not sure she'd want me using hers. I find a packet of toothbrushes and choose a blue one. I quickly brush my teeth and then place the brush next to hers. I grin at the sight, but I'm not quite sure why.

She's still asleep when I return to her room in a towel. I dry myself off and get dressed in my clothes from last night. I haven't heard any noise from the other inhabitants of the flat, so I trek back into the ...