Partners, on average, share up to 89% of traits, including deeper values such as religiosity and political learnings, and also experiences such as smoking and sexual activity. When it comes to finding a partner, it turns out that opposites don't attract . They analyzed findings from 199 published papers — some dating as far back as 1903 — that looked at 22 commonly studied traits among couples. Don't miss: Successful couples share 3 key values—forget ‘opposites attract,’ says dating expertQualities, experiences or traits that couples had in common varied. There were just three traits on which couples tended not to align: hearing difficulty, tendency to worry and whether they were morning or night people.

---

Persons: Jared Balbona, Balbona, ’ Organizations: University of Colorado Boulder Institute, Behavioral Genetics, CNBC, Partners