Put your own oxygen mask on 1st

You know how on an airplane trip the flight attendant goes over the safety instructions before the flight begins? One of the instructions is to take care of your own oxygen mask before trying to help others. The point is that if you don’t get oxygen yourself, you will be unable to help others, i.e. you can’t help anyone if you are passed out from lack of oxygen.

For more on this check out the short video below: