The author divorced his husband and moved to Mexico City. Courtesy of Bil Browning My husband fell in love with a woman after 24 years together; I didn't know how to rebuild my life. I took a solo trip to Mexico City to clear my head and never came back. Three years later, my only regret is not moving to CDMX sooner. The break came suddenly. After 24 years together, my husband told me he wanted to explore his bisexual side. It had always been an open relationship, but when he started dating a woman seriously, my heart broke. He fell in love . For my 50th birthday in October, we went to Mexico City . My high school Spanish class took a yearly trip to CDMX, but my family was always too poor to let me go. Decades of daydreaming about the city made it an obvious choice, and what better time to splurge? The international trip also fit into my mantra for the year: "50 and fuck it." A month after the trip is when he met her. In January, he told me he was in love and wanted a polyamorous relationship .…