Adam Galovan who works for the University of Alberta's Faculty of Human Ecology told the Edmonton Journal “In our results, [the perception of humilty in your spouse] was the strongest predictor of marital satisfaction.”
He further said: “Humility is thinking less of yourself and thinking more of others, so the focus should really be focusing on being caring and compassionate for one’s partner,” he said. “In the end, this likely would lead to them reciprocating and doing things that would make you satisfied about your relationship.”
Read the full article from the Edmonton Journal here (which also has a nice video clip that I was unable to embed)