Probably not made for the monitor at all and just happened to fit and solved a problem.

Apps like Crouton have a hands free mode which allows you step through the instructions by winking (right = forward, left = back).

What do they want? If that isn’t your priority then you are still making the wrong decisions for the wrong reasons.

Sounds like you want to be happy by using them as the means. Work on that first.

What are your answers to those questions?