I like to keep both hands on the keyboard. Every mouse movement incurs the cost of reaching the right hand for the mouse, then moving the right hand back and re

I like to keep both hands on the keyboard. Every mouse movement incurs the cost of reaching the right hand for the mouse, then moving the right hand back and re-finding my place on the keyboard. I don't like that constant back-and-forth movement. It breaks my flow and it can make my arm ache.