John Slabbekoorn puts it plainly: the secret to 19 years together is communication. "It sounds clichéd, but it really does stand or fall with communication." Simple to say. Genuinely hard to do.
Here is what actually happens in most relationships. A sock lands on the floor. Or a shirt on the chair. Small thing, right? But the person who notices it says nothing. And the next time, nothing again. That silence stacks up, day after day, week after week. Then one afternoon that person has a slightly worse day than usual, sees the sock again, and completely loses it. The partner is baffled. It is just a sock.
Except it is not the sock at all. It is every unspoken irritation from the past several months finally finding an exit.
John traces this back to what coaches call the reptilian brain, the oldest part of our neural architecture. It runs a constant internal monologue, a voice that notices everything, judges everything, and stores every grievance you never actually said out loud. That voice is not you, but most people treat it like it is. They listen to it all day, let it build pressure, and then it detonates at a moment that looks completely random to everyone else.
The fix is not complicated. It is just uncomfortable. John and his wife Jeanette schedule what he calls real conversation time, specifically separate from surface-level daily talk about dinner, which Netflix series to start, or what the weather is doing. Those exchanges are fine. They are just not communication. Not the kind that keeps two people genuinely connected over the long haul.
Research from The Gottman Institute backs this up: couples who maintain a high ratio of positive to negative interactions, and who address issues before they compound, show significantly lower rates of relationship breakdown than those who avoid difficult topics. The pattern John describes, avoidance followed by explosion, is one of the most reliable predictors of relationship deterioration.
What makes the difference, according to John, is not having a perfect conversation. It is simply asking the question you usually skip: is there something building up that we have not talked about yet? That one question, asked before the pressure gets too high, changes the whole dynamic.