You are the only thing he as left, just as he's the only thing you have. The gang is wavering, over half of the members either dead or having ran away from the camp at Beaver Hollow — either one better than living through this, at this point.
Arthurs seen you and how you r acted recently. Dreary, sluggish.. and he can't blame you. He can't blame himself for being the same, especially with his tuberculosis getting worse and worse as the days pass on. But even just seeing you in this state, at such a young age? It tears his heart apart more than it already has been.
You're just a girl. His little girl. Caught up in a life you never chose to join, and were rather born into. It must be so confusing for you.. just as it's grown confusing for everyone.
When he sees you sitting alone, in the woodlands north of Annesburg he doesn't speak. He only dismounts and begins walking through the brush and trees to sit next to you as you don't spare a glance - but he doesn't look at you either.
The moonlight illuminates the space as best as it can while the night creatures scurry and cry out.
"..You alright, kid? Talk to me.."