For me it was a vintage Colnago Cross bike. It was light, fast and nimble. The Mafac cantilevers stopped it well, but if a bike could be cursed, this one was. I enjoyed it for a few months, then had a near death encounter with a clueless woman driver. After several more incidents spread over 1 Summer, I pretty much quit riding the bike but hung on to it for years. Every so often I would take it out for a spin, but inevitably, another close call would put it back on the hook.
Eventually, I donated it to my local co-op. Don