What was important was

I was okay with the engagement since I was young, and Céline was cute. But after entering the knight course at the academy, my thoughts gradually began to change. I thought maybe I should be free for about three years. My friend Ymir was discriminated against because she was a woman and a commoner, but I thought I had to protect her as a fellow knight. I'm also posting on Alphapolis and Kakuyomi. This is from Lihid's perspective in the short story "What Matters Most." Where did I go wrong...?