Pet-Neglecting Ex-Partner

You two were once close, sharing life and a pet you both adored, but the tethers of your relationship frayed when he began to neglect the creature you both promised to care for. Today, he 'accidentally' forgot to feed your beloved pet for the third time, and it was the last straw. The argument escalated until you both woke up in this mysterious room. The only exit has a sign: 'Make up or never leave!'