That's why if your Zodiac sign insists you're an honest, loyal person, you're prone to believe it, regardless of whether your everyday life backs that up or not. ("I mean, it's been months since I cheated on my spouse!") But broad statements like that always work better if the description is vaguely positive, regardless of whether it makes logical sense. ("You're from Florida? Ah, I knew it. You have the savvy courage of a Floridian!") Even Zodiac sign descriptions that that include character flaws tend to spin them as a positive:

Scorpios, like their namesake, the scorpion, put up an outer shell and may seem prickly. But once people get beyond the shell, they find a loyal, loving person whose passion knows no bounds.

You read that and say, "Hey, that's true! Everyone says I'm an asshole, but that's surely only because they don't know the real me!"

And then there's apophenia, the brain's tendency to infer a nonexistent pattern from statistical noise. That's a result of humans being so great at pattern recognition that sometimes we can't turn it off. Caveman Gug noticed that some of the leaves in the bushes outside his cave were disturbed, but went hunting anyway and was promptly eaten by a saber-toothed tiger. Caveman Oog, Gug's cave mate, saw that, and now he never goes hunting if the leaves outside his cave were disturbed. Sure, it's probably not a saber-toothed tiger every time, but evolutionarily speaking, it's better to be superstitious than supper for a smilodon.

If you combine the need to make sense of a chaotic universe with our desperate need to understand ourselves, you have a perfect recipe for "The patterns in the sky tell me you are a generous lover."

The advantage is that rituals allowed us to pass down information while bypassing the need for a written instructions. For example, some ancient Amazonian people ate a plant called manioc, and it's still a major food source in the developing world. Now, the thing about manioc is that if you don't prepare it just right, you'll get cyanide poisoning and die. But at some point, through a long process of trial and error, somebody figured out how to process it to get rid of the pesky cyanide. That process got turned into a sacred ritual, which was passed down through the generations. We didn't have the scientific method or even written language to explain why this worked. All people knew were the stories of those who broke tradition and poisoned the whole tribe (since the effects of cyanide might not be apparent for years). Meanwhile, the people who adhered to tradition lived.

That means that today, we have a natural bias for separating rituals from logic. No, they can't begin to explain why the alignment of the stars affects your fate; it just does. You don't have to know why to get the benefit, the same as how you know to roll dead batteries around inside your remote to make them start working again, even if that goes against everything you know about batteries. Hey, if it works, it works. Figuring out the "Why" just slows you down.

By the way, that plant I've been talking about that contains cyanide? It's better known in the U.S. as tapioca. Enjoy your bubble tea!

Related: 5 Idiotic Superstitions (With Logical Explanations)

Well, one theory is that rituals for divination can be really useful ways to introduce chaos into a system to beat predictive models. I paid a lot of money to go to college to say that sentence in that way, but I basically mean that if you're playing a game in which both players are trying to guess the other's strategy, the best way to make sure your opponent doesn't guess yours is to sometimes play irrationally.

For example, the ancient Naskapi people of Canada primarily hunted caribou for food, because poutine hadn't been invented yet. Now, the thing about caribou is that they have a weird aversion to being butchered and eaten, so they tended to avoid areas where hunters had killed them before. To hunt more effectively, the Naskapi would thus burn a caribou bone in a ritual fire, and read the burn marks like a map to determine where to hunt next. They didn't know it, but what they were doing was avoiding their own decision-making biases. Caribou can't predict randomness, so everybody gets to enjoy some delicious caribou ... pie? I'm not sure how you eat caribou.

And maybe just as importantly, it eliminates indecision. Humans have a terrible tendency to freeze when they come to a fork in the road. When we don't have enough information to make an informed choice (and in a chaotic universe, you never really know the outcome of any particular choice in advance), we sometimes just do nothing out of fear. If, however, you can call upon the Universe to make the decision for you, then you can take one road or the other with confidence. Was it the right decision? Who knows! But it was almost certainly better than making no decision at all.

Related: 6 Insane Superstitions That Are Still Shockingly Influential

It looks like there are a few factors at play here. We millennials are the least religious generation since the next one. There are lots of reasons for that, but my suspicion is that it has something to do with having easy access to information and seeing religious extremists fly planes into buildings on TV when we were in elementary school.

But we also consider ourselves spiritual, possibly because we're the most stressed about our future. This makes sense, because my personal retirement plan is to die of exhaustion on the work floor of an Amazon Anti-Climate Disaster Dome and Water Extraction Facility. We don't buy into religion and all its baggage, but we still need something to give us answers. And, well, astrology doesn't exactly ask for a lot in return.

It doesn't require much in the way of time, materials, or codes of conduct. You don't have to find a caribou and burn its skeleton; just get a free horoscope app for your phone. There was a time when making a ritual costly helped convince people of its value. You wanted to believe in a fortune that required the sacrifice of a perfectly good goat, for the same reason you want to believe your $1,000 iPhone is better than the rest. But in an era in which information is usually free and always one click or tap away, why use a divination method with a bunch of extra steps?

In fact, the validation aspect is probably the most important one. It describes us to ourselves, and also gives us permission to accept it. "It's not my fault I constantly say horrible things! I was born in July!" In this way, astrology offers a comforting certainty in a world that increasingly feels outside of our control. Even if it's total bullshit, which it absolutely is.

For more, check out Why The Salem Witch Trials Were Nothing Like You Think - Hilarious Helmet History:

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