I don't...
Much like authenticating on Android or on Windows, or entering in your password when you check email - You must authenticate in order to do anything that affects Root.
This is a security measure. And a catch-22 for everyone.
Some people use the same password on all accounts in order to be able to remember them and not lose access.
But this creates a security hole for all accounts, should anyone get just one of your passwords, they now have them all.
Having a means of removing all authentication on a Linux system would create an exploitable security vulnerability.
What you can do, though, is create an easier PIN for yourself instead of a Password. A four or 6 digit PIN replacing your current password may be more tolerable for you.
You can do this in terminal:
sudo -i
(enter your password, chuckle)
Now, in terminal, run
passwd
This will give a password change prompt.