Lasting Relationships Rely On 2 Traits

http://www.businessinsider.com/lasting-relationships-rely-on-2-traits-2014-11?IR=T

[successful couples] felt calm and connected together, which translated into warm and affectionate behavior, even when they fought. It's not that the masters had, by default, a better physiological make-up than the disasters; it's that masters had created a climate of trust and intimacy that made both of them more emotionally and thus physically comfortable.