The following may or may not, as in my case, having been disillusioned with the concept a few relationships ago, come as huge shock to you: love isn’t the only key to a healthy, lasting marriage or relationship. It seems a team of Australian researchers from the Australian National University might have actually discovered the key ingredients to keeping those romance fires burning, or at least what outright extinguishes them.

As reported by Reuters, the research team found that age, previous relationships and whether or not a partner smokes are all factors that influence the length of a relationship.

Aptly named, “What’s Love Got to Do With It,” the study followed almost 2,500 couples, married or living together, from 2001 to 2007, and identified, analyzed and tracked the factors that surrounded those who remained together and those who divorced or separated.

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