Hyperventilation is a good goal for tension in your script.
Yes, it’s hard to be a writer when you have to snatch away the candy your protag wants. It’s cruel. It’s shitty. But that’s story.
If the tension gets to be too much for you and you want to let it out at critical points in your plot to make us and your characters and mostly you know that everything is just fine, remember…
If you want to see how to take this to the next level, look up Hope Spot entries in media. That’s where something finally comes along that can solve everything in one quick remedy: like the match that can light the rocket that can take Woody and Buzz back to Andy so they will live happily ever after…