There's no doubt having a child changes a relationship. If there are any major problems to start with, the addition of such a massive responsibility, daily chores, and sleep deprivation could well tear you apart. Conversely, if you have a strong relationship, becoming parents may well test your bond, but can also make it even stronger. In fact, I found the toddler years actually made me feel closer to my partner.
My husband and I had been married for eight years before we had our son. In many ways we had become set in our ways and had our child-free routines down. We both had really busy social lives, too. For example, I was into dragon boating and practiced and paddled several times a week, on top of going to dance class. We still slept in until around noon on the weekends and would go away for the weekend spontaneously and with a moment's notice.
However, now that life has changed so much since we became parents, I have actually found that having our son has made our lives even richer and more fulfilled. Despite all the stressful parts of parenting (especially during those toddler years when tantrums are a-plenty) it has brought us closer together in the following ways: