Red Indian

This Red Indian boy goes to his mother one day with a puzzled look on his face.

"Say,Mom," he asked, "why is my bigger brother named 'Mighty Storm'?"
"Because he was conceived during a mighty storm.",she replied.
"Why is my sister named 'Corn Flower'?"
"Well," his mother answered, "Your father and I were in a cornfield when we made her."
"And why is my other sister called 'Moon Child'?"
"We were watching the moon landing while she was conceived," the mother replied.
The mother then asked the boy, "Tell me, Broken Rubber, why are you so curious?!"