You can argue it all you want, I'll even listen for once, but at the end of it, you'll realize it's your best option for keeping from involving innocent people and making sure the person being possessed will see the other side of it.
Even Ruby'll point out the better the motivation there is in sending this demon back on its way, the better chance you have of mastering this. And I know you won't leave me like that any longer than it takes for you to figure this out.
[ooc: He's trying to protect you from a sucky, angry life full of loads of hurt-to-innocents guilt, Sam!]