Jasmine, take my words, if you do some research and be little extra smart, you will get your visa for sure
firstly, draft a letter and get it signed by both sides parents (& attested by lawyer) that they had a reason for not attending the marriage and they know abt the relation and they are very happy for both of you.
secondly, discuss with your husband about the strengths and weakness in your relationship by looking through an eye of a stranger i.e. consider you r looking at a stranger's case and you are visa officer and you need to know if the relation is genuine or not,
obviously you have lot of weak points i.e. parents issue (that can be solved by giving letters with their contact numbers), long distance relationship (wat was the reason behind that, anybody will be doubtful to see a couple in long distance for 8 years), even I am very confused to know this n how is it possible, there must be a good reason behind, think about it
get more n more proofs of communications, n whenever you were together, places visited, with friends etc etc n keep discussing here as there are people here who have gone through variety of scenarios with NDVO and they can help you a lot
gud luck