You shouldn't leave your partner for someone else.
Mark and Anna are in a long distance relationship, and Mark is lonely on a Friday night while his ex asks him out.
Mark wants to do something to make himself less lonely.
Mark calls Anna and asks to watch a movie with her over Zoom.
Mark accepts his ex's offer, and being with her Mark stops talking to Anna to be with his ex.
Mark has a fun night.
Mark is stuck in a rough relationship which ends in heartbreak.