Will I get my curve back once incision heals and I regain my old posture? (Photo)

Exactly 2 weeks post op. Still healing. I get daily activitity as well as rest. Still kinda stiff, walking hunched over. My concern is the curve in my lower back, one of my favorite attributes. I love the way my new tummy looks! However my goal was to keep my curves. before/after photo the arch in the small of my back is not as defined as pre op & my booty looks smaller!! Will this get better in time? What can I do to help this healing process or improve flexibility?