Answer:
Some people may be genetically predisposed to seek out difficult relationships. These difficult relationships may contribute to their experience of depression. This is an example of the reciprocal gene-environment model.
Explanation:
According to this theory, some people have a genetic predisposition for a disorder may also have a genetic tendency to create environmental risk factors that promote the disorder. In a nutshell, the disorder will lead the person to seek and create a situation that will increase this disorder.