How to tame a big monster and make him purr like the good boi beast he really is? The key is neck rubs. Jess certainly has a long one, so it requires extra special care, almost 'almost' more than his stomach and belly.
I've known this for years, and he finally admitted it recently.
Go on, gib pets: http://www.furaffinity.net/view/31363956/
Drawn on September 22, 2015