Meeting and marrying my husband was one of the best things that ever happened to me. We are a near perfect match of imperfect people with similar political, social, and parenting points of view (and a love for Thai food, 90's alternative music, cheap wine, and good beer). As much as I enjoy spending time with him, I have found that I need to also have time to myself and a keep firm grip on who I am. There are many simple ways I maintained my independence in my marriage that have made all the difference.
Little things like watching the shows I want to on Netflix, having my own friends and hobbies, and not being afraid to communicate my needs, wants, likes, and dislikes, even if they are different from his. We try to always be honest (sometimes to a fault) with each other and ourselves about what we value and what we need to be happy, healthy, and satisfied in our marriage, and there are a few things that about which we aren't willing to compromise.
This is markedly different than my last marriage, where I spent too long and worked too hard to help him succeed while simultaneously losing a good part of who I wanted to be in the process. Now, for me, my partner, and for our kids, we do things differently. A good relationship is one where you can each do the things you love (like singing karaoke and playing video games) and come home to snuggle after, feeling happy that your partner got to do something they enjoy, not feeling jealous that they did it without you.