The lead comes off the hook and the negotiation begins. Haniel has opinions about direction. She has opinions about pace. She holds a particularly strong view on the gatepost three doors down, which apparently changes hour by hour and requires a full inspection.
My plan was a brisk loop. Her plan was the morning paper, and she reads every page.
For the first stretch I walk the way most adults walk, which is to say I'm barely there. I'm finishing an email in my head. I'm rehearsing a conversation that hasn't happened yet. My body is on the pavement and the rest of me is in a meeting.
Haniel stops. Completely. Nose to the grass, ears turned towards a sound I cannot hear. I wait, slightly impatient, and because there is nothing else to do, I look where she's looking. A blackbird is turning over leaves under the hedge with real ambition. I would have walked straight past it.
This is the part nobody puts on a fitness app. A dog does get us moving, and anyone who has walked one through a wet winter knows the stubborn discipline it builds. But the deeper exchange is about attention. The dog lives entirely in the present, and for a few metres at a time, she drags me in with her.
Further on, a man with a terrier slows down. We have never been introduced, yet we know each other's dogs by name. We talk about the weather, then his knee, then, unexpectedly, the allotment he has tended for thirty years and the courgettes he can't give away. A lead tangle and an honest conversation with a near stranger. Without the dogs, we would have nodded and kept going.
People who walk dogs belong to an unofficial club with no membership fee. You recognise each other by the pockets full of treats and the apologetic smile when your animal disgraces you in public. In streets where neighbours rarely speak, dogs quietly rebuild the habit of saying hello.
By the park, I have stopped checking my phone. Haniel has found a stick she will carry for exactly forty steps before abandoning it forever. I catch myself laughing out loud, alone, on a Tuesday. When did I last do that without a screen involved?
On the way home I notice my breathing has changed. Slower, lower. My shoulders have dropped. Nothing in my day has been solved, yet I'm meeting it from a different place.
At the front door, Haniel shakes the drizzle off her coat, all over my legs, naturally, and trots straight to her bowl as if she has just completed a mission of national importance. Tomorrow she'll want the gatepost again. So, I suspect, will I.