Michael Lawrence and other able Boundless authors have written before about the wonderful gift of sex, so I won't belabor the point except to repeat that the Scripture passages on sex, taken together, make very clear that God instituted sex within marriage for purposes of procreation, pleasure, intimacy, holiness, and — ultimately — for his glory. 7:3 and following, Paul says once we are married, our bodies literally belong to our spouse; he also instructs spouses to meet one another's sexual needs and to be together regularly so as to protect ourselves from falling into ungodly lust and extramarital sexual activity.
Was there "even a hint" of sexual immorality in what you did (Eph. Whatever you did, as you now think about it, does it inspire a comfortable peace or an uncomfortable shudder to remember that Father, Son, and Holy Spirit observed it all?
How are we to relate to everyone else (especially believers), and how does that question inform the topic of premarital sexual activity — including kissing? As a lawyer, I almost never see absolute statements.
The simple answer is that every believer to whom I am not married is my brother or sister in Christ, and I am to act accordingly. Honor one another above yourselves."); Romans 13:8-14, especially vv. It's the strongest possible language Paul can employ. 4:3-8 gets even more specific: "It is God's will that you should be sanctified: that you should avoid sexual immorality; that each of you should learn to control his own body in a way that is holy and honorable, not in passionate lust like the heathen, who do not know God; and that in this matter no one should wrong his brother or take advantage of him.
Maybe one or both of you achieved orgasm even though you didn't actually "have sex" as you define it.
Maybe you explored one another's bodies but were only partially naked.