A motive, in law, especially criminal law, is the cause that moves people to induce a certain action. ... The law technically distinguishes between motive and intent. "Intent" in criminal law is synonymous with Mens rea, which means the mental state shows liability which is enforced by law as an element of a crime.
Daniel Levinson, a psychologist
who graduated from Yale was the one that developed a model of adult
socialization, which includes stages of early adult, midlife, and later adult
transitions. According to Levinson’s model:
Early adult transition spans age 17 – 22
Middle adult transition spans age 40 – 45
Late adult transition
spans age 60 – 65
Sandra is most likely engaging in hostile aggression