Hi Ray, welcome.
Roots are good, Ray. The more the merrier!
DF are arborial cactus vines and as soon as they are getting enough nutrition from their aerial roots they will separate from the ground.
You can foliar feed your vine with half strength foliar leaf feed every fortnight for optimal growth.
Then around September or October depending on how cold your winter is, change over to foliar flower feed to give it extra potassium for flowers and fruit.
Because the new segments are so heavy, help them hang on by tying them to the stump with lengths of old fabric knotted together for the right length.
They need to rot after a couple of years. Every year add some new ties over the most recent segments.