Kourtney Kardashian and Travis Barker's engagement came as no surprise to their families. As someone close to the couple shared with E! Online, "Kourtney and Travis have talked about marriage. It was an instant connection and bond ever since they became romantically involved. They are in it for the long haul." And from a look at their zodiac, it seems their love story is practically written in the stars. 

Barker, who was born on November 14, is a Scorpio, while Kardashian's birthday is April 18, making her an Aries. As Bustle notes, these two signs aren't typically the most compatible (think fire and water), but they share an important commonality: They're both ruled by Mars. As the planet of "sex and action," this "gives them common ground when it comes to being passionate, driven and sexually expressive," per the outlet. So in this case, does fire and water make ... steam?

According to Bustle, it's Barker's moon sign that heats things up. As Harper's Bazaar explains, our moon signs represent our emotional states. And because Barker's moon sign is an Aries, per Bustle, it adds more fire, chemistry, and impulsiveness to his relationship with Kardashian. "When two people share the sun and the moon in the same sign, it's an incredibly strong indicator of astrological compatibility and is common in long-term relationships," astrologer Stephanie Powell shared with Bustle.

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