Kureha, I'm talking to my son on the phone. I wanted to get his views.

He wants to know why you need a knife to get proof. Also, what do you mean when you say you're going to move like a ninja?

He also wants to know if you are thinking you can do riskier things if you have a knife with you. If that's what you're thinking, he says he's not a good idea. You'll end up in the hospital.