Can somebody plz!! tell me why love hurts so much:(read my story!!?

okay.this is what happen 2 me and now i don't understand..a year ago i came on here to find me some one who i can love and have dat person love me back.iknow it sound odd 2 have a girl find love but at the time i was lonely..and felt hurt bcuz every time i got in a relationship with sum one i always end up beginning hurt at the end.. so i came online to find my own man and when i did there was this one guy who was just like me i mean in a way he had no one to love him and he though dat every girl was da same so he wasnt planing on having a girlfriend..so i talked to him and he started talkin back to me also and u know we started being friends an all..and i always told him how i felt about him u know..i told him dat i though dat he was a gud man and dat he will make a good boyfriend..and he told me dat i was a okay girl and all dat!!anyway..as da dayz went by me and him talk in talk all day and all nite i was so happy to have him around me u know and ya..he did work but i use to be rite here on this computer just waitin for him to come home and go online so i can talk to him some more..until one day i came online and he was on here and he was tellin me that he love me and all dat and i got happy cuz he was tellin me dat b4 he had went to work..so u know i was at home just sittin on this computer just couldnt wait for 3:35 come cuz that when he will be on here but this time he didnt come online at all then i started thinkin dat o he mite had to work late 2nite..but no turn around he never came back online so i though his internet was off..but no he was gone for gud after 5mouths i realized dat he wasnt coming back on line and ya i had his number but it didnt work no more..i found out that he had move back to his home town after 8 mouth later cuz dat when he came back to me i was so happy and all but when he did came back to me he told me that he had to move out of his place and that his computer had got broken cuz it fell off da table he had it on and then he told me that he got a girlfriend now..and when he told me that i told him dat i was happy for him and dat i glad dat he found sum1 who had love him back u know..but yall when i had got off da phone with him boy yall talk about cry sh*t i had cry all day and all nite cuz i had really like him i mean my feelings had got so strong over him cuz he was so gud 2 me even though me and him had our lil up and downs them..yall i dont understand this i mean how can he like another girl when i was da one who had like him 1st and i was da first girl who he ever really taken the time out to talk to i told him how i felt and he told me how he felt and everything....i really love this guy..i care for him also and now i got to watch him with some girl he found:( yall i need sum1 2 talk to rite now i dont understand could he be loving me also but just dont wanna tell me yet cuz when we talk i can feel da love between us!!help me understand plz!!