"The experiment of the expedition is Mr. Irvine ... known to family and friends as "Sandy," was two months into his 23rd year when he disappeared on Everest with George Mallory.

On “Ultimatum Day,” the final day of the experiment when couples must decide if they want to break up, get engaged or leave ...

So did Sandy and J.R. The problem, of course, is that Vanessa left the experiment with Dave, her original partner, leaving ...