Meaning of the word "absence is the mother of disillusion" in English

What does "absence is the mother of disillusion" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

absence is the mother of disillusion

US /ˈæb.səns ɪz ðə ˈmʌð.ər əv ˌdɪs.ɪˈluː.ʒən/
UK /ˈæb.səns ɪz ðə ˈmʌð.ə əv ˌdɪs.ɪˈluː.ʒən/
"absence is the mother of disillusion" picture

Idiom

a proverb suggesting that being away from someone or something for a long time can lead to a loss of idealized feelings and the realization of the truth

Example:
I used to miss my old job, but after a year away, I realized how toxic it was; I guess absence is the mother of disillusion.
They thought their love would last forever, but absence is the mother of disillusion, and they soon forgot each other.