You rooted your android phone to enjoy some features of apps and then you tried opening and is taking forever to get root permission,
they are so many reasons for this which includes :
1. Too much apps granted root permission.
2. System Memory full
3. You deny the root access in your super su .
It can be frustrating when you want to open an app and it is taking time to grant root permission, this simple method can be used to make it very fast in granting root permission,
How to make it grant root permission very fast
all what you need to do is to go settings and locate all apps then scroll down to super Su and clear data.
As simple as an idiomatic equation.