Seeing Krillin and Bulma again left Son Goku, Son Gohan, and Piccolo utterly stunned.
They hadn't expected Krillin and Bulma to come to Namek again.
After they caught up, they learned that Ron could now travel back and forth to Earth whenever he wanted, and could take people with him. The three of them were even more delighted.
But when the conversation turned to whether they should go back to Earth right away, the mood fell silent.
Son Gohan did want to go back and see his mother, but Son Goku was in a real bind.
He knew what Chi-Chi was like.
Once he went back, she would surely complain and scold him at every turn. He might never get out again.
So instead of returning now, he decided it would be better to wait until the affairs on Namek were settled.
Then he could return to Mount Paozu and train in seclusion.
Piccolo spent a good while mocking Son Goku for being so spineless.
Ron laughed at Piccolo to himself.
If Piccolo knew that, in the original story, he'd been forced to take driving lessons with Son Goku, he'd probably have a breakdown.
After all, that episode had made Piccolo realize just how terrifying Chi-Chi could be.
As Piccolo himself had put it, the strongest man in the world was being ordered around by a woman and didn't even dare breathe too loudly.
After they discussed it for a while, Son Gohan decided to return to Earth with Krillin. Krillin was in a tough spot, so he'd laid out the problem of how difficult it would be to explain things to Chi-Chi.
Son Goku had actually hoped Bulma would go too, but she flat-out refused.
She really couldn't deal with Chi-Chi. Back then, just because she and Goku had