Me and my girlfriend broke up it was my fault becoz i didnt call her n she was gonna have an operation.pls hlp

i love this girl so much that i have time for her more than any body in this world except God..weve fought several times on things that she thinks i do.example was i was in a meeting for a work and she called and i picked and i said i will call her back but she heard women laughing and .after dat we fought..on many occasions shes tried to leave but i ask her for a last chance because i love her so much and she means the world to me..everything i do in this life, i do because of a better life for me n her and our yet kids..she left yesterday(broke up)and said nothing on this earth is gonna make her change her mind..but people,belief me that i do love her so so so much and i do care alot..people around me sees wat i can do and wont do for me to not bn with her...i did have dreams for us and i still do...but how can i make up things and still be with her forever..i dont care bout my happiness i care about hers alot..shes the best thing ever happened to my life and will always be,pls hlp?