Meaning of the word "all lay loads on a willing horse" in English

What does "all lay loads on a willing horse" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

all lay loads on a willing horse

US /ɔːl leɪ loʊdz ɒn ə ˈwɪlɪŋ hɔːrs/
UK /ɔːl leɪ ləʊdz ɒn ə ˈwɪlɪŋ hɔːs/
"all lay loads on a willing horse" picture

Idiom

people tend to give the most work or responsibility to the person who is most willing to do it

Example:
She ends up doing everyone's chores because all lay loads on a willing horse.
Be careful not to volunteer for everything; all lay loads on a willing horse.