Sibling rivalry-Competition among brothers and sisters in a nuclear family.
In addition, roles have changed within the nuclear family.
The pink flamingo was a reminder of the unattainable, "perfect" nuclear family that every household strived to become.
Stepfamilies merge unrelated parents and children into a family unit that, with time and emotional work, can function as effectively as a traditional nuclear family.
Family therapy is a type of psychotherapy that involves all members of a nuclear family or stepfamily and, in some cases, members of the extended family (e.g., grandparents).