Meaning of the word "love and cough cannot be hidden" in English

What does "love and cough cannot be hidden" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

love and cough cannot be hidden

US /lʌv ænd kɔːf ˈkæn.ɑːt bi ˈhɪd.ən/
UK /lʌv ænd kɒf ˈkæn.ɒt bi ˈhɪd.ən/
"love and cough cannot be hidden" picture

Idiom

used to say that it is impossible to conceal the fact that you are in love or that you have a cough

Example:
She tried to act normal, but love and cough cannot be hidden.
Everyone noticed his feelings for her; as they say, love and cough cannot be hidden.