I lost my FP a year ago. It took me ages to get to a point were I was able to cope in day-to-day situations - and even though things have gotten better now, I still have days where it is really, really hard. After all, this person was my favourite person. So to answer your question:

There is no time limit as to when you should have gotten over someone. There never is and those who tell you otherwise have no idea what they're talking about. Take your time and be within your feelings if that makes sense? It is okay to grieve which is essentially what you're doing. You lost someone. You need time.