Oddly Wired
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happiness

You overvalue the impact of one life change.

The focusing illusion is a cognitive error where, when prompted to consider a specific factor's impact on life satisfaction, people disproportionately overestimate that factor's importance compared to other influences.

It is an error in evaluation rather than a general state of ignoring aspects of life.

Your current obsession is smaller than you think.

Where this comes from

Study
Schkade and Kahneman, 1998
What the check found
The definition is directionally correct but mischaracterizes a specific judgment error as a broader behavior of ignoring life factors.
Confidence
Solid, with limits
happinesspsychologycognitive illusion

Related

One of these every day, and every one names the study it came from. When a finding is contested, it says so.