Psychologytoday iconPsychologytodaySep 23, 2026 ~7 min source read

When Positive Thinking Backfires: Why Fantasies Can Lower Motivation and What to Do Instead

Imagining success feels good, but research shows vivid positive fantasies can reduce effort. Learn the difference between fantasizing and expecting success—and a simple method, mental contrasting, that links optimism to action.

The Hidden Problem With Positive Thinking

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Vivid positive fantasies can produce the feelings of success and reduce the energy people put into working toward goals.

Mental contrasting connects a positive vision of the future to realistic obstacles and concrete steps, turning optimism into practical effort.

# The problem with positive fantasies

Imagining the future you want—visualizing a job offer, picturing a promotion, or scripting a dream life—can feel energizing. But several studies cited in this piece show that repeatedly indulging those positive images can reduce the effort people actually put into reaching their goals. The emotional payoff of a vivid fantasy can substitute for real progress, leaving you feeling accomplished without having done the work.

# Expectation versus fantasy

The article references Oettingen and Mayer (2002), who found that believing a goal is achievable leads to more effort, while fantasizing about the outcome was associated with less effort and worse outcomes. Kappes and Oettingen (2011) also found that participants who fantasized about a future put less energy into a task than control participants.

# Why fantasizing saps motivation

A vivid mental picture of success can satisfy emotional needs that otherwise drive goal-directed action. If your brain has already sampled the positive feelings tied to achievement, there's less internal pressure to close the gap between where you are and where you want to be. That makes preparation, practice, and confronting awkward or unpleasant steps feel unnecessary.

# What manifestation research shows

# Turn optimism into action with mental contrasting

The mental-contrasting sequence does two things. First, it preserves the motivational benefits of a positive vision by giving you a clear outcome to pursue. Second, it forces attention on the realities and steps required, which prompts realistic planning and effort.

# How to use mental contrasting (practical steps)

  • Spend a short, focused period imagining the desired outcome, using concrete sensory detail. Keep it brief so the image energizes rather than replaces effort.
  • Translate that obstacle into one or two concrete next actions you can take today or this week (reviewing a resume, researching the company, scheduling practice interviews).

# Bottom line

Positive thinking can build confidence and aspiration. But when imagining success becomes a substitute for preparation, it can reduce motivation and effort. To keep optimism useful, pair a short positive vision with a realistic appraisal of obstacles and clear next steps—mental contrasting accomplishes that pairing and makes optimism operational.

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