Can't live without him

I am 25 year old very charmaing beautiful and educated girl i bellongs to very respectable family back ground. when i was student i had no affair. every boy wants to marry me but i dont like any one. At the age of 23 i met a person he was my colleague he helped me a lot when i was in trouble. he introduced me with his family he has one married sister and fiancee.

He lives with his mother. he is very differnt person i ever met. i fall in love with him but he got engage. his fiancee is jealous with me. He also loves me a lott.i had always pray to God that i will be his wife forever. then after many crises his engagement were break due to my self. now his family hates me, but i love hime from the core of my heart and i only wants to marry him but his family wants me to die. His mother is alone and he dont want to leave his mother. but we can't live without each other. When i was 19 i became diabetic. my family wants me to marry with some one else but i cant
please advice me