Delulu, Explained by Psychology: Healthy or Harmful?

The good side: a little positive illusion is normal

Psychologists Shelley Taylor and Jonathon Brown (1988) found that many mentally healthy people actually hold "positive illusions": seeing themselves a little better than reality, feeling more in control, and being more optimistic about the future. Mild illusions like these help people stay motivated and bounce back after failure.

So a little delulu — believing you can do it before there's proof — can fuel you to try something scary.

The dark side: imagining the outcome too often can drain you

Gabriele Oettingen, a psychology professor at New York University, found something surprising: people who dwell on idealized outcomes tend to put in less effort. In research by Kappes and Oettingen (2011), fantasizing about an ideal future lowered people's energy — as if the brain already felt it had "arrived" before doing the work.

This is where delulu can backfire. Belief without a plan leaves us shocked and disappointed when reality doesn't match the picture.

Healthy delulu: mental contrasting

Oettingen (2012) offers a way to combine optimism with realism, known as mental contrasting or the WOOP method:

• Wish. Pick one thing you want that feels challenging but possible.
• Outcome. Briefly imagine what success would feel like.
• Obstacle. Identify the obstacle inside yourself: fear, procrastination, or low motivation.
• Plan. Make an "if obstacle X shows up, I'll do Y" plan.

This way, delulu stays a source of energy, followed by real steps.

When delulu needs a reality check

• When you keep ignoring clear signs, for example in a relationship that hurts you again and again.
• When belief replaces effort instead of driving it.
• When disappointment keeps repeating because hopes are never checked against reality.

Balance dreams and reality

Healthy delulu needs room to be honest with yourself. Daily check-ins in rumputhijau help you write down your hopes and obstacles, then AI helps you see them from a more balanced angle — still hopeful, but grounded.

References

• Taylor, S. E., & Brown, J. D. (1988). Illusion and well-being: A social psychological perspective on mental health. Psychological Bulletin, 103(2), 193–210.
• Kappes, H. B., & Oettingen, G. (2011). Positive fantasies about idealized futures sap energy. Journal of Experimental Social Psychology, 47(4), 719–729.
• Oettingen, G. (2012). Future thought and behaviour change. European Review of Social Psychology, 23(1), 1–63.