I feel like the film is quite new like in the past few years. It’s about a girl or young woman who doesn’t think her mum is alive but they live together. She can’t actually see her. Her dad tries to help but it’s something to do with mental health. I remember a scene on the sofa with a guy who is trying to help. I think that he falls in love with her but she can’t actually see him.
Insidious: Chapter 3
The movie is “Love is Blind”.
This is the trailer https://www.youtube.com/watch?v=IxC1kqAqRjQ