The Human Tripod: A Survival GuideHave I ever felt like a third wheel? Darling, I haven’t just felt it; I’ve perfected it. I’m not just an accessory to coupledom; I’m its unwilling anthropologist, a connoisseur of cringe, a scholar of schmaltz. My role isn't "friend." It's "The Human Tripod," the stable, utterly redundant third leg that allows the two-wheeler of their insipid romance to wobble precariously forward without completely face-planting.Let me set the scene for you. It was a simple plan: drinks. What it became was a live-action performance of "The Mating Habits of the Terribly Needy." We’ll call them