Every December, my chest tightens for some reason. It's not because I dislike Christmas, but because I remember that person. I once truly fell in love. Back then, I was still too young to fully understand romance, but I genuinely loved him. We dated for a year. About six months in, he confessed his desire to marry me. He was working and promised we'd live together after I graduated. Since childhood, I'd dreamed of marrying before turning twenty and becoming a young mother. Those were the happiest days of my life. But then my dark habit surfaced. According to him, I lacked a sense of fidelity. Even though I truly loved him, I casually slept with other men. No matter how many times he warned me, I never changed my behavior.