You might want to read this 6 Obstacles to Building a Healthy Marriage at PC website. I am sure somehow, you can pick up something out of it. I had a relationship for 5 years, I don't remember if we ever had argument, too bad she passed away last year 10 months after diagnosed with lung cancer but at least she enjoyed her last 5 years with full of laughter and fun. Treat everyday as your last day that you have to make the most out of it.