NZ - Routebrun tips for a first time walker ??

Hi I'll
On the 9th Nov this year I'm taking my wife on her first proper overnight bushwalk. To date she has only done day trips and never been a camper, but she is fit so I'm not concerned about the actual walking for her. The Routeburn looks amazing for a novice walker and I'm sure she will love it (She is excited)
Me, I love it and go bushwalking/camping as often as possible so can be a bit rough round the edges with "comfort refinement"
Plan is to get dropped at the Divide early in the morning by family doing the Milford sound cruiser etc (Been there before and done that)
Night 1 - Lake Mackenzie Hut
Night 2 - Routeburn Falls Hut
Picked up by family on the Queenstown end of the track at Routeburn Shelter.
While I'm confident on what gear we will require is there any tips or items I could take that will make this first walk "Special" for her.
Obviously being NZ good rain gear and warm clothes are high on the list.... Also bug spray as I hear the sandflies can be bad.
I'll lug our gear and she is just going to take a small day pack with some clothes, raingear and daily food/water.
Routeburn falls hut looks like it's in a great spot, is there any advantage to staying at Routeburn flats hut other than being closer to the end of the track, is it a nicer hut ??
On the 9th Nov this year I'm taking my wife on her first proper overnight bushwalk. To date she has only done day trips and never been a camper, but she is fit so I'm not concerned about the actual walking for her. The Routeburn looks amazing for a novice walker and I'm sure she will love it (She is excited)
Me, I love it and go bushwalking/camping as often as possible so can be a bit rough round the edges with "comfort refinement"
Plan is to get dropped at the Divide early in the morning by family doing the Milford sound cruiser etc (Been there before and done that)
Night 1 - Lake Mackenzie Hut
Night 2 - Routeburn Falls Hut
Picked up by family on the Queenstown end of the track at Routeburn Shelter.
While I'm confident on what gear we will require is there any tips or items I could take that will make this first walk "Special" for her.
Obviously being NZ good rain gear and warm clothes are high on the list.... Also bug spray as I hear the sandflies can be bad.
I'll lug our gear and she is just going to take a small day pack with some clothes, raingear and daily food/water.
Routeburn falls hut looks like it's in a great spot, is there any advantage to staying at Routeburn flats hut other than being closer to the end of the track, is it a nicer hut ??