Till Death Do Us Apart

"Maya, promise me you'll love me Till Death Do Us Apart."
"I promise, Paul."

When two people meet in a coma state and fell in love. But what happens when one wakes up and the other doesn't?

This story is an entry for the Forbidden Love Anthology contest

Prompt: Two people who are madly in love have returned to their own worlds/universes/dimensions, longing for each other.