expression
don't feel like doing; can't bring oneself to do; can't face
Expresses a lack of motivation or emotional inability to do something. Often follows a verb in the て-form or a noun with が. The phrase is a negative potential form of 気になる, literally 'can't become in the mood'.
今日は何もする気になれない。
I don't feel like doing anything today.
彼の顔を見る気になれなかった。
I couldn't bring myself to look at his face.
雨の日は外に出る気になれない。
On rainy days, I can't face going outside.