All the females replying are unfortunately projecting their weird past situationship trauma onto you. I think you should ask yourself why you fell out of love. I have been in the same situation before, I started off really liking my ex gf and adoring her and complimenting her. A few months into our relationship, everything felt like a chore. Complimenting her, spending time, even sex just felt like another thing I had to do to be happy. I realized after our relationship ended that while I did like her, I didn't love her, and I probably never would have loved her if we kept dating. She checked most of my boxes, but the ones she didn't were too big to ignore, she was spoiled and faced very little adversity in life, and this made me eventually lose respect for her and resent her as I had to constantly hear her complain about trivial things that were way less significant than problems I had to face. I would consider divorcing her, you're still young.