Kami’s Son

"Let him come out and train and grow alongside Goku and the others," He-El suddenly said. In any case, even if Piccolo came out and grew alongside Goku and the others, he would not be Goku's match. And because of his pride and competitive nature, he would keep chasing after Goku—only to end up becoming Gohan's other father while doing so. That outcome was not bad. He-El could accept it.