Here is a different take on Anakin and Padme on Mustafar, modeled on an idea from the aforementioned redditor. The key idea is to emphasize the disconnect between the two, as Padme petitions him to focus on love and he persistently emphasizes power and control. For your consideration.
https://drive.google.com/file/d/1T5gYsaiUCXGLyS_ilZ0db_4jA_C0wxdo/view?usp=share_link