髻插忘忧草
[jì chā wàng yōu căo]
In Chinese literature, 忘忧草 (wáng yōu cǎo) or forget-sorrows-grass (equivalent to an herb like valerian which induces peaceful feelings), when tucked into one's hair bun, symbolizes someone who is seeking relief from sorrows or cares, representing inner peace, detachment, and a wish to let go of past worries.