What is the best way to get life back in your relationship?

What is a way to keep something in common as your goes on through out the years?

How do you end the roommate syndrome? 

The best way is to talk about your future together?  It isn't a one time discussion.  It is a topic you should have at least once a year.

Having the discussion once a year helps keep your vision with each other alive and well.  It gives you a chance to adjust and grow. 

Planning your future together is a perfect way to stay in with a Honeymoon Mindset.