Still time

Alternate Universe is a story of a world where there are 5 known alternate universes
for every four and half lifetimes there is a test,
but consequences of mistakes in alternate universes can remove the ability to return to your life were you at, or affect it severely.

Tested for weather one is worthy of immortailty, with the conseqences following you long after you've returned; but when the 2 lovers who were in control of this universe, break part once to find what they want, what happens to the ones who are faced now with the test?