Respect each other's individuality. If you want to change your partner in any way, then you must change your partner - period!Accepting each other for what you are is vital - slight niggles will grow into major difficulties if you let them.
Having said that, you must also be prepared to work on the relationship between you - it's not about scoring points.
There is a difference between work which is a pleasure, and work which is a chore. The trick is to recognise which is which...
I recently made the mistake of thinking that I could become the person that the love of my life wanted me to be. Of course I couldn't - the person she wanted wasn't me. It cost me my mental health, as well as my best friend.
Good luck, Ed. Hope it works out well.