Tim doesn't resist - he's shaking now, from the sudden exertion, and he lets himself flop onto his back again. One hand reaches blindly for the blanket, and at least pulls it over his hips so Jacobi's delicate constitution is spared.

His eyes flicker shut as he breathes through the pain, and it's a few breaths before he opens his eyes to half-squint at Jacobi.

"'m sorry."