Trevor and michelle's last child has just left home to attend college. according to a research conducted by gorchoff, john, and helson in 2008, this will most likely be a time when:

According to the research conducted by Gorchoff, John and Helson at the year 2008, in the given scenario where Trevor and Michelle's last child has gone off for college, this will likely give both Trevor and Michelle to have an increase in their marital satisfaction because as a parent, they were able to send their children to college in which is one of the things that parent need to fulfill as this is their duty to their children.