you don't have to do anything. that's a new skin under your scab. it will get old after some time too and return to normal.
There's really nothing you can do about that. The scab will fall off when the skin underneath has healed, which it will do at its own rate that can't be hurried. If you pluck the scab prematurely you will be left with a new sore, which tends to make the final scar bigger and more visible than if you left the first scab alone.
is a keyloid and they are hard to get rid of. do some research on them!
no
massaging the area with a moisturising cream containing vitamin E can sometimes help.
A scab
The answer to this riddle is "scar." As a wound heals, new tissue forms over the damaged area, creating a scar. By changing one letter in "wound," which is the word mentioned in the question, you get "scar."
brush your teeth
If one peels the scab off. Blood will appear again which gives bacteria the opportunity to get in. This is how the scab can get infected.
If you clean your belly button regularly, it should only scab a little bit. But it will scab either way. So yes its normal. But it is good for you to clean your bellybutton and ring at least 3 times a day.
I doubt if that's possible.
I'm Afraid not