I had a "putting lesson / fitting" where I used a line on the ball, put a laser behind it & found I consistently lined a cup left of what I thought was correct. Using the number as an aid I got within a cup. Pro said what do I usually do & I said I prefer a blank spot on the ball in alignment aid. He said " you are a feel putter". Your mind compensates for misalignment in that you feel the line you want while not looking like you are set to the line. People hate putting behind you in scrambles! Something I have heard before.