*Winces* That was tacky. Sorry Steephie. I didn't even answer the question. Awkward. I think that was just my inner cynic coming out. I'm kinda just restless in life right now.
But anyway, actually talking about your question this time, I might actually have some useful experience in this area. Since I'm both what you could consider "religious," and I've struggled with borderline OCD in the past, I think I understand your question pretty well. In my opinion, not all religious rituals are necessary for religion, but if you are going to consider yourself religious, partaking in certain rituals is probably something you should do.
For example, (I'm not entirely sure what your religion is,) but I'm guessing it involves being kind to people, because you seem like a pretty nice guy. So let's say your religion tells you to love others. In order to love others, do you have to partake in rituals? Yes and no; it depends on the ritual. I'd think in answering the question, one must look at the intention behind participating/not participating in the ritual. If you love others, there are probably certain behaviors you should engage in that some people could consider ritualistic, such as helping people in need and giving to charity when you can. But just because you give to charity and help people doesn't mean you are loving them, (AKA practicing your religion), you could just be acting out of self-righteous pride. On the other hand, just because you aren't giving to charity or aren't helping people out every singlr time you can, doesn't mean you don't love them. You maybe couldn't afford to do so, or had other obligations to fulfill.
I guess what I'm saying is if you're truly practing a religion, you're going to perhaps engage in certain "ritual" behaviors, but the focus should be on your religion, not the rituals themselves. Could you practice religion without any rituals whatsoever? Perhaps. But I'm not sure you really would truely be following your religion. I hope that makes sense.