Replies to 'Ready for Marriage?'

Ihave been with my live in boy friend for 5 years we have been ingaged for a year i made the arrangements to get married this september and something came up and we can not do it so i suggested that we do it w hen we go to the beach this year and just have aplan simple romantic on the beach wedding and its like he doesnt want to talk about it  and that he needs time to think about it im not sure if he has changed his mind or what he is thinking i have been with him so long and love him very much but does he fill the same im worried that he is just happy living together and that we may never get married.