why does a boy fall in love with another girl so quickly ? i just left 4 around 2months , he left and is with sb else now . it hurts me so much , coz i believed he was the only person i wanna trust . however , i m wrong totally .

Question: Why is the narrator so heart broken ?
Answer: Her boyfriend passed away .Her boyfriend left for another girl .Her father passed away .Her boyfriend left for another man .