Being in love and having a relationship is a wonderful thing, but, as with most things in life, can be stressful at times. Research has identified a number of causes of stress in couples. You can read about them here, as well as things you can do to return to a harmonic relationship.
You don't have access to this post on Stressinsight at the moment, but if you upgrade your account you'll be able to see the whole thing, as well as all the other posts in the archive! Subscribing only takes a few seconds and will give you immediate access.