Meaning of the word "when two men ride together, one must ride behind" in English

What does "when two men ride together, one must ride behind" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

when two men ride together, one must ride behind

US /wɛn tu mɛn raɪd təˈɡɛðər, wʌn mʌst raɪd bɪˈhaɪnd/
UK /wɛn tuː mɛn raɪd təˈɡɛðə, wʌn mʌst raɪd bɪˈhaɪnd/
"when two men ride together, one must ride behind" picture

Idiom

in any partnership or collaborative effort, one person must take the lead while the other follows or takes a subordinate role

Example:
They both wanted to be CEO, but when two men ride together, one must ride behind.
In a marriage, compromises are necessary because when two men ride together, one must ride behind.