Black eyes

A lad comes home from school with two black eyes.
His dad says, "What on earth have you been doing?"
Lad: "A boy hit me with a piece of wood!"
Dad: "You should have stood up for yourself son. Did you not have anything in your hands?"
Lad: "Yeah.
His dad says, "What on earth have you been doing?"
Lad: "A boy hit me with a piece of wood!"
Dad: "You should have stood up for yourself son. Did you not have anything in your hands?"
Lad: "Yeah.
Spoiler: