Rahvin
I don't need to be dissuaded, I would need to be persuaded into believing in a deity. An argument not based on incredulity, appeals to authority, false dilemmas, special pleading, or containing some sort of actual evidence would go a long way.
That would probably never be forthcoming. Since their concept is based on faith not evidence. To further complicate matters, they cannot understand why we can't see where they are coming from and why we need positive evidence.
There is no better love between 2 people than mutual respect for each other