On Thursday, November 5, 2015 at 5:19:34 PM UTC-6, wrote:
I'm looking for an---

Moshe..,
Be honest, deep down do you Know and Understand You Could Die,

Or, deep down, do you really believe that you would always be able to detect and take effective action to correct a "supplemental" oxygen problem. And being confident in your conviction of your own abilities to always take thoughtful action, do you view oxygen use while at altitude as a "nice accessory" that is too expensive?. If so, this misconception has a name, "It won't happen to me"
I'm convinced that the strong reaction to your proposal is directly due to others concern for your continued existence.

Safety regulations like those for oxygen use are written in the blood of the dead. This statement is not hyperbole.

Good Lift
Scott