Why do people always have such faith in this method?

Look, even if you try it now, it's not going to get bigger.

You shouldn't worry about it, around middle school, it will naturally get bigg-

I was planning on rubbing yours?

I'm happy that I have such a considerate little sister!!

Why don't I rub yours every day until they become Ds!?

Uweh!

What are you doing?