Hanapin
Boys will be boys
boys shall (forever|always) (remain|be) boys
boys shall remain boys (to the very end|)
boys will be boys
01
used to excuse or dismiss negative behavior by boys or men, with the implication that it is simply part of their nature
Proverb
Halimbawa
When the teacher complained about the boys' rowdy behavior, the principal dismissed it by saying that boys will be boys.