Vlad, You say you are asking this seriously.
Fine. In which case you deserve an answer. So, here is mine. Make of it what you will.
I haven't a clue whether any god exists or not, but I have not yet seen any convincing arguments or evidence that one(or more than one) does exist. Hence I do not have any belief in any god(s) whatever. This is my personal position. I am quite happy to accept that others may have a belief in their particular god. They may well be right. I have no means of knowing. I simply state my personal preference of not believing until evidence accrues which will persuade me, at the very least, that their god probably exists.
I do however reserve the right to challenge any arguments that I consider suspect if I so wish, and also to challenge attitudes which consider one's beliefs to be factual or some sort of 'truth' applicable to others without either the necessary evidence, or, at the very least, some sort of intersubjective methodology which can arrive at that evidence. Also, some Christians, in particular, seem to be on a prosletysing kick which often involves so called arguments which are little more than assertions. These I am quite willing to challenge.
For my own part, I do not seek to convert others into being atheistic at all. It is entirely up to them what sort of view they take of the world. I am not in the business of trying to impose my views upon others. Indeed, in some cases, I can quite see that their views give them comfort and support, especially in times of stress.