(CNN) -- Gowns have been fitted, caterers have been contracted and venues rented as June marks the busiest period of wedding season.But not all long-term couples will be heading down the aisle, according to Hannah Seligson's book, "A Little Bit Married." Seligson explores the trend of serious twenty- and thirty-something couples who invest years and even a decade in a relationship without the intention of ever getting married.Or maybe couples that have modest rings and receptions feel that their boundless love is a celebration enough.Maybe this is all being thrown by some hidden Kardashian variable that none of us has uncovered yet.We are both in our 30s, and I think once you reach a certain age, you know what you want and you know what you need and when you find it, you hold on tight." Nine months: "I remember thinking at three months that I would totally marry him right now.But then we got to know each other even more, we got into some necessary arguments, and our love grew even stronger.
It may have only been months, or perhaps it felt like an eternity.
I've arrived at this conclusion by thinking through a number of biblical principles.
One of our bedrock governing principles in biblical dating — and in how we treat our brothers and sisters in Christ generally — is not to "defraud" our single brothers and sisters by implying a greater level of commitment between us and them than actually exists (see 1 Thessalonians 4:6).
Are you factoring the other person into your long-term decisions? You can move across the country to a city you hate because your boyfriend or girlfriend has a job there.
CNN: What characteristics do you see in couples who are "a little bit married"? It's the sense your life together is moving in unison.