思おもい過すごし

noun

groundless fear; overthinking; making too much of something

Refers to worrying excessively or reading too much into a situation, often without real cause. Commonly used in the phrase 思い過ごしだった (it was just my imagination / I was overthinking it).

• 彼かれの態たい度どが冷つめたくなった気きがしたけど、思おもい過すごしだった。

  I felt like he had become cold toward me, but it was just my imagination.

• そんなに心しん配ぱいしなくても大だい丈じょう夫ぶだよ。思おもい過すごしだって。

  You don't need to worry so much. It's just overthinking.