Certainly, people can get along without siblings. Single children do, and there are people who have irreparably estranged relationships with their siblings who live full and satisfying lives, but to have siblings and not make the most of that resource is squandering one of the greatest interpersonal resources you'll ever have.
We are all born with an innate understanding of interpersonal equity - the idea that if you lend me your rake today, I'll respond in kind when you come to borrow my shovel tomorrow. Or nearly all of us are born with that. Psychopaths aren't.
Marriage is a lot of things - a source of love, security, the joy of children, but it's also an interpersonal battlefield, and it's not hard to see why: Take two disparate people, toss them together in often-confined quarters, add the stresses of money and kids - now lather, rinse, repeat for the rest of your natural life. What could go wrong?
We're also far enough from the publishing power that we have no access to the politics of publishing, although there are interpersonal politics, of course.
I regard gratitude as an asset and its absence a major interpersonal flaw.
Now interpersonal politics... that's what it's all about.
The effects of unresolved trauma can be devastating. It can affect our habits and outlook on life, leading to addictions and poor decision-making. It can take a toll on our family life and interpersonal relationships. It can trigger real physical pain, symptoms, and disease. And it can lead to a range of self-destructive behaviors.
Teasing is often healthy and fun, not to mention an important part of interpersonal and individual development. But when it's abused, 'just kidding' contains a disturbing logic: If I didn't mean it, it didn't happen.
Spiritual direction is an interpersonal relationship in which we learn how to grow, live, and love in the spiritual life.
What does it mean to have a healthy relationship? It's such a strangely clinical way of talking about interpersonal dynamics, like you can do a white blood cell count and say, 'No, it's not looking good for that one.' It's impossible to have a loving relationship in which you never cause pain and no pain ever is caused to you.