Meaning of the word "sing before breakfast, (and) you will cry before night" in English

What does "sing before breakfast, (and) you will cry before night" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

sing before breakfast, (and) you will cry before night

US /sɪŋ bɪˈfɔːr ˈbrɛkfəst, ænd juː wɪl kraɪ bɪˈfɔːr naɪt/
UK /sɪŋ bɪˈfɔː ˈbrɛkfəst, ænd juː wɪl kraɪ bɪˈfɔː naɪt/
"sing before breakfast, (and) you will cry before night" picture

Idiom

a proverb suggesting that if you are too happy or celebrate too early in the day, something bad will happen before the day is over

Example:
My grandmother used to warn me, 'Sing before breakfast, you will cry before night,' whenever I was too rowdy in the morning.
Don't get your hopes up too high; remember, sing before breakfast, you will cry before night.