When my wife and I were about to get married, nearly 27 years ago, we had to see the priest at the church that she didn't attend for counseling. My friends who got married at one of the Catholic churches had to go through weeks of counseling/classes on marriage. The first thing the priest asked me is, "why do you want to get married?" I spoke for a minute or two, and his face looked stunned. He pointed out when I finished that I hadn't mentioned, "because we're in love." I said, "oh, well, that too, I figured that was obvious." He then proceeded to mock all the people who came to him and said "we want to get married, because we're in love," and pointed out that while love was a requirement, if that was the main reason, the marriage was off to a bad start, because after a few years, that same idea of love develops into something else. In the early stages, it's more of a puppy love type of feeling, and that almost always fades - at which point, a lot of couples call it quits, or cheat to get that feeling again. So, we've been happily married for going on 3 decades. Unfortunately for you, I don't remember what I told the priest, just that I forgot to mention that we were in love.
And, for 27 years, there have been very few arguments. I've learned not to worry about trivial details, like her having $2k on a credit card, and $5k in the checking account, but breaking the payment to the credit card over 2 months because she doesn't want our checking account balance to go down so much - she'd rather it stay fairly steady, rather than bounce up and down. I tried to explain once, but now just roll my eyes - what's more important - fighting over $15 or 20 in interest every once in a while? That's a trivial amount compared to peace in the home. And, likewise, she doesn't complain about things like me buying lunch 5 days a week and never packing a lunch, despite our joint grocery trip shopping including plenty of lunch foods for me to pack.