boys will be boys

: desire, wish

used to express desire, choice, willingness, consent, or in negative constructions refusal

used to express frequent, customary, or habitual action or natural tendency or disposition

: desire, wish: such as

: disposition, inclination

: appetite, passion

: to order or direct by a will

: to dispose of by or as if by a will : bequeath

: to determine by an act of choice