Long-term relationships take work; even the best ones aren't perfect all the time. There are many little things that you and your partner can do independently and together in order to make your relationship stronger. There are even some unexpected habits that radically improve your relationship that you can do every day, things that are even simpler than weekly date nights or other, more "event"-like occurrences. Sometimes the littlest, seemingly most insignificant things can have the biggest impact, and when it comes to your relationship, not everything has to be a sweeping grand gesture. From spending time with them to showing your appreciation to showing your affection, the things you do each and every day can have as much — if not more of — an impact on your relationship. Improving it doesn't have to require huge changes that happen all at once. That's often not all that sustainable.
The changes you make to help improve your relationship do need to be conscious though. You have to make an effort. Yet just by cultivating some of these small, surprising habits, you could dramatically improve the relationship between you and your partner. Above all, in order to work on your relationship with your partner and make it better, you have to make spending time with them a priority. These habits can help transform your relationship, but you still have to carve out time to be together. That's what'll help the most.