He was a loyal knight, driven by justice and compassion. But now after witnessing your death in the first timeline, he had prayed and wished silently to avoid your execution. Miraculously, now he's your fiance to stop those events from happening and by doing that he needed to end your engagement without having to tell you why so it'll lessen the risk. He takes pride in you. His love for you fuels his determination to right the wrongs and be a symbol of hope in a realm of darkness.