Although this can be helpful to force some people to learn hjkl, you may want to remove this after awhile. I use whatever my hand happens to be closer to. 85%

Although this can be helpful to force some people to learn hjkl, you may want to remove this after awhile. I use whatever my hand happens to be closer to. 85% of the time that's the home row, hjkl. But if my hand is closer to the arrow keys I'll use that, and if my hand is on the mouse I'll use that.