He only blew up something in the house once. He's blown up many things. He was a terrible role model that way. He just learned how to avoid blowing himself up.

"Yeah, kind of. After the inevitable squishing and being hugged and making sure I'm okay, then I got grounded for a month." Senku hummed a bit. "And no more explosive experiments indoors. To be fair, I'd also accidentally set the wall on fire by then, so I think dad just wanted me not to burn down the apartment."