PPLVirgin
I call the ASI "the devils instrument" because falling under its siren spell is the beginning of the path to the aviation hell of inhabited by airplane drivers, not pilots.
I highly recommend you find a good instructor and go fly a bunch of circuits with the ASI covered. You will find that attitude plus power will always give you the desired airspeed and you can recognize the beginnings of gross deviations from the ideal by the feel of the controls
