くよくよ

くよくよ, クヨクヨkuyokuyo

suru verb · adverb

1. to fret (over)
2. to brood (about)
3. to mope
4. to worry
5. worriedly
6. (fretting) constantly
7. (worrying) over this and that
8. (obsessing) to no end

Study it in Yanamino