Venn Diagram

I have lost you to sleep again.
Sleeping as we do on opposite sides of a venn diagram
I read the time in shadows on the wall
The shards of light through the slats on your window

I ease myself from under your languid arm,
Fumble on my boots and hear you breathe through your alarm I disarm it for you,
You rarely heed it anyway I wouldn't want it to intrude upon your dream,
School bell ring messing up the play

A note,
Penned clumsily in this century's type-ruined hand
Saying gone down the shops for a walk I'll bring back some sandwiches
And then I kiss your face, the black and the blue tie it into my laces,
I don't want the wander blocking up the view

I stumble out into the afternoon.
Still salty from drink and the late night pool I'll be gone an hour at most,
You will be more diagonal I've a head on me in the post,
I know, a castle swallowed in the swell.