I hope you see what I'm getting at. Just because god didn't mention cannabis as a bad thing (just like he didn't mention cocaine, meth, LSD, shrooms, DMT, K, ecstasy, and heroin.. not saying all of those are natural) it doesn't mean that it's right in his eyes.
A cocaine addict can use the same argument you're using to justify his habit within his faith. I believe that's fine since I don't have a faith. I was just trying to help you realize that cannabis is most likely not seen as clean in your god's eyes.