noun
time heals all wounds; time is the best medicine
Proverbial expression meaning that emotional pain or difficulties will fade with the passage of time. Often used to comfort someone.
失恋の痛みも、日にち薬で少しずつ和らいでいくよ。
Even the pain of a broken heart will gradually ease with time.
今はつらいだろうけど、日にち薬だから、焦らずにね。
It's hard now, but time heals, so don't rush.