Yumi's Cells: Is this the end for Yumi and Brent?

All the butterflies and smiles are gone for Yumi as she asks for a break from Brent.

Is this really the end for Yumi or Brent or will they find a way to fix their relationship? Catch the answer on the last four days of 'Yumi's Cells' from Monday to Friday every 5:10 p.m., on GMA.