Uecker (2012), takes into account several aspects on mental health which are psychological stress, drinking behavior and life satisfaction. Furthermore, he divides relationships into six groups such as being single, dating and unengaged, dating and engaged, cohabiting and unengaged, cohabiting and engaged, and ever married. The author basically comes to the conclusion that, married adults have less psychological stress than unmarried adults. Furthermore, he mentions that adults who are engaged and are not cohabiting have lower level of distress than married adults. Uecker (2012), links it to the high excitement of the adults for their upcoming wedding and new marriage, although he does not explains why the engaged adults who are cohabiting
