Enjoy the process of learning. Thirst to learn new things about music, about playing the piano, about listening, about becoming a better musician.
Make improvisation a part of your daily practice. You say you like big, dramatic, loud pieces, so practice improvising in that style. You likely have many technique challenges at first, but you will learn a lot by improvising. It will also give you a better appreciation of the technique that needs to be built up in order to make such music.
There are easier pieces that fill that aesthetic. Ask your teacher about studying such pieces at your current level.
Play through small sections of the big repertoire that you like. Allow yourself to explore a bit. However, do not expect yourself to play these pieces in their entirety just now. Have a glimpse of what you could possibly do in the future if you persist working at the piano.