Originally Posted by Corintis

This trick also works with any map run as well; you'll be able to retain your stamina and try again for a better attempt, although you can't select the same ally you chose before until cooldown wears off. It also only works twice an hour; anymore and you'll just kill your stamina.

I think this trick was found around the time the stamina bug became a thing.

DAMN!!!!! That is freaking awesome!!!! Thanks lol!!!