"People who make smart decisions about who to be with tend to choose the highest quality person: the most sane, intelligent, honest, kind, reliable, sensible, generous, warm, good-natured person they can find." (More)Although this seems intuitive, it's not enough to even agree. You have to embody it. Talk is cheap.
The Dark-Haired Boy and I once talked about this, the naïveté of the newly-in-love. He'd been watching a contestant on The Bachelorette dreamily fantasize about her romance while vacationing in Italy.
"Oh, this is what life with Roberto will be like! Frolicking in a fountain on the Piazza!"(You were forewarned! haha)
"NO! Life with Roberto will be fighting over the GPS and cleaning the cat box!"