It feels as if there wasn’t enough OXYGEN.
Money Heist Season 1, Episode 8
because you're using up your OXYGEN,
Money Heist Season 3, Episode 6
The OXYGEN comes first.
Money Heist Season 3, Episode 3
{\i1}To confront them, we only needed OXYGEN.{\i0}
Money Heist Season 3, Episode 6
What am I doing?
I'm using up all the OXYGEN.
The Big Bang Theory Season 6, Episode 3