and then you start nesting trees so deep that it’s hard to distinguish between the different levels D:

Don’t worry, most modern brains have a builtin jit compiler, so when a habit starts to form, the check will be optimised out. (It saves excess neurons from being generated.)

I never used to use Home and End until I put them on a layer right next to my home row. Now I can’t live without them. Position really makes a difference!