Biology, Love, and the Meaning of Fulfillment

Published: May 11, 2025

Let’s talk plainly, without fear and without judgment. When the Bible discusses homosexuality, especially in passages like Leviticus 18:22 ("You shall not lie with a male as with a woman; it is an abomination.") or Romans 1:26-27 ("God gave them up to dishonorable passions…"), it has to be understood in its full context: one rooted in function, survival, and divine order—yes—but also in human frailty, culture, and reproduction.

Every living organism on Earth—every cell, plant, animal, or insect—has a common biological imperative: reproduction. Life continues only when it replicates itself. This is the biological foundation for the traditional understanding of marriage: a union that sustains the species. From this perspective alone, it makes sense that heterosexuality would be framed as a “natural” order—because it fulfills that core biological function.

But here's the catch: humans aren’t just biology. We are emotion, we are spirit, and we are neurology. We are shaped by trauma, by trust, by whom we believe will protect us and who we feel safe with. And so, a gay person’s bond with their partner, while not leading to natural reproduction, is still shaped by real needs: emotional intimacy, mutual defense, and existential fulfillment.

So yes—if one were to measure it solely by reproductive utility, homosexuality doesn’t serve that role. That’s the only angle where someone could argue that it’s biologically “inferior”—not morally, but functionally. And even then, this criticism is narrow and mechanical. It reduces the human soul to a breeding protocol. That’s not how God made us. We’re not cattle.

Scripture also teaches, “It is not good for the man to be alone.” (Genesis 2:18) That verse doesn’t say, “It is not good for the man to fail to breed.” It says to be alone. Which means that companionship and belonging are part of the divine design. We were meant to love. To trust. To protect and be protected.

So when a gay person builds a life with someone they trust, it’s not coming from depravity—it’s coming from that same hunger we all feel: to be known and not abandoned. To be loved without fear. And even if the love doesn’t result in biological children, the desire to nurture, to raise a child, to pass on wisdom—that desire is still sacred. It’s still real. And it deserves to be acknowledged, not erased.

Romans 14:4 says, “Who are you to judge someone else's servant? To their own master, servants stand or fall. And they will stand, for the Lord is able to make them stand.” (Romans 14:4) That verse reminds us: we are not God. We do not know the full neurological, spiritual, or experiential story behind someone’s orientation, their trauma, or their trust. And since love—real love—casts out fear (1 John 4:18), then whatever leads someone to trust another human being enough to walk through life with them—gay or straight—should not be met with fear, hatred, or judgment.

We can still believe in divine design. We can still believe that marriage, at its best, mirrors God’s intention for man and woman. But we also must believe that human love, in its many forms, is an attempt to heal what has been broken since Eden. And sometimes, that healing doesn’t look like a blueprint—it looks like survival. It looks like trust. It looks like people doing their best to love one another, even when the script doesn’t match the schematic.

— Killian