what should i do

the one who i love is always confusing me.......when i proposed him he asked me to give him some time......i gave.....now when i ask him about this topic he says he needs more tym n wants to meet me....but when n how he doesnt know about it......... when i askek our common friend to ask him he replied that he doesnt want to continue anything and asked me not to contact to him...... what should i do at this very movement....should i keep on waiting........because for me to forget him is next to immpossible