Feldman et al (2007) assessed oxytocin and cortisol levels during and after pregnancy and found that

Feldman measured plasma oxytocin from sixty-two pregnant women during their first trimester, third trimester, and the first postpartum month. Feldman et al (2007) assessed oxytocin and cortisol levels during and after pregnancy and found that  higher maternal oxytocin levels were associated with higher levels of affectionate caretaking and attachment related thoughts.

What is the question? if you were looking to design a method of separating something, you can separate this compound by putting both in water and allowing the water to dissolve the sugar. then pour it into another beaker and evaporate it then boom! salt and sugar : )