Complex sentence: Feeling the pressure from his family, Mitaka begins to pursue Kyoko with increased aggression, but he slowly realizes that she has actually already decided on Godai, and is just waiting for him to find a job and propose.
Split into simpler sentences: Feeling the pressure, Mitaka begins to pursue Kyoko with increased aggression. He slowly realizes that she has decided on Godai and is waiting for him to find a job and propose.