We all have issues and we have usually come by them honestly.
While meditating we are simply seeing what the mind has been doing all along.
Patience is both the tool for and the result of, our efforts.
Patience is the direct antithesis of anger.
So what is a good meditator? The one who meditates.
That's why it's called a practice. We have to practice a practice if it is to be of value.