Final answer:
The texts provided revolve around complex relationships, emotional struggles, and realizations that deeply affect the characters involved.
Step-by-step explanation:
Based on the provided extracts, it appears that the complex and often tumultuous relationships between characters are a central theme. These relationships are marred by affairs, deceit, and emotional conflicts. In each scenario, characters grapple with the consequences of actions and the effects these have on their relationships. Whether it is Trina's anger upon realizing McTeague's affair with Marcus, a father realizing his son escaped an unhealthy relationship, Dexter's jealousy and frustration with Judy's dalliances, or the profound sense of loss felt in accounts of early separation from mothers, each story revolves around the realization of a deeper truth and its subsequent emotional fallout.