Duration Neglect

The tendency for people to ignore the duration of a previous emotional episode. A cognitive bias where people judge the unpleasantness of the situation by its intensity over how long the event lasted.

Reference:

Fredrickson, B. L., & Kahneman, D. (1993). Duration neglect in retrospective evaluations of affective episodes. Journal of Personality and Social Psychology, 65(1), 45-55. https://doi.org/10.1037/0022-3514.65.1.45