I believe things (good and bad) come in 3's. It gives me a sort of head's up, as you said, an indication about what might happen. Similarly I read horoscopes, though I don't believe them. I'm more amused when their vague descriptions seem eerily accurate. Still, it's something to look out for.

I also like angel cards, though I ignore the story behind them. Basically they're slips of paper with concepts written on them - like adventure, or beauty - and you're supposed to pull one without looking each day and reflect on them, what does he word mean to you, do you have enough of it in your life or do you need more, that sort of thing. But the superstitious aspect of it - that somehow the card you need that day will magically appear in your hand - nope, I don't buy it.

As far as OCD type counting and a need for balance or evenness, I don't do any of that. Good luck finding your answers.