This means, enjoy the time you spend cooking a meal (it's great stress relief) and savor each bite slowly (it improves assimilation and is better for digestion).

这意味着享受你做饭的时间(这能巨大缓解压力)，并慢慢品尝每一口(这样能增强吸收和更好消化)。

youdao

The exact cause of teeth grinding is not known, but the most likely culprits are things like stress, sleep disorders, crooked or missing teeth and having an abnormal bite, where the upper and lower teeth do not come together normally (known as malocclusion).

CNN: What can I do about teeth grinding?