I am getting married

My friends , i am in a relationship since 5 years , now i am going to tell you a story of my relationship and will ask some advices from you people , 

so my friends , Before 5 years he became my friend , when i  was in 10th standard , i found him and he become my casual friend, we started talking on daily basis , starting getting attracted to each other , than  we become best freinds , we started spending time with each other we started going outside with each other , 

after 4 months of our friendship we noticed that , is that only a friendship that we cant stay away from each other just talking all the days and nights ..

i was thinking about it but it was just in my mind but he asked me about it ..thats whats happening..

that we talked om this topic and both confesed our love to each other ,...

many many difficulties came in my life , but i faced them, my parents was not agree everything was going wrong !! 

than aftr 2 years every one got ready and now we are getting married !! 

 i love him alot !! 

dont wanna lose him...but he's not good with me what to do..

so guys ... i dont know why .. now our parents are agreed even they have fixed the date but..  our relationship is not going good..

not a single thing is going good ... he's not the one who was with me since five years...he has changed what do you say ? should i get married to him?