iirc it’s because human ears are slightly offset to each other vertically. The brain then calculates the time difference it takes each ear to hear it. Basically triangulation.

One of the best, for the time.

My default setting. Big hands =\

Patience, and knowing when to look for documentation. Keep notes of stuff as you go. Just like in real IT, documentation can go a long way. Forgetting simple things can cause everything to fall apart at some point.