There is something that could be worth trying... I did it somewhat successfully with Helix, but I don't think I could earn Sougo's trust enough to do it myself. You'd probably have a better chance.
In psychology we talk about something called operant conditioning. It's fairly simple — by using encouragement or punishment, you can increase or decrease behaviour. It's not as harsh as it may sound, it can be something as simple as expressing disappointment or disgust at unwanted behaviour. He puts a lot of faith in you, so I believe you could have a good chance of succeeding with this method.