Person A is having nightmares and having hallucinations about someone in their past life. Person B notices how they're acting different, so they ask them if they're alright. Person A says they're fine so Person B doesn't acknowledges it.
Several days later Person A takes drugs to make go to sleep. Person B is noticing bags under their eyes and asks them again "are you okay" Person A says they're fine again, but Person B doesn't care. Person B tries to find out what is wrong with them once they found out what's wrong with Person A. They try all sorts out ways to help Person A. They tried to talk to them but Person A isn't talking back.
Several days later Person B knocks at Person A's door. There was no answer so Person B decides to knock down the door. Once the door was knocked down Person A was laying on the floor half dead having a drug overdose.
Person B quickly calls the ambulance taking Person A to the hospital. Days passed and Person A wakes up and Person B is on the side sleeping. Person A smiles at Person.. Person A knew that they picked the right person to be with.