Physics and biology both have physical ego

Fours levels of Physical ego: Quantum Mechanics Physics Chemistry Biology

Everything is cause and effect, it just gets complex as the level shifts.

Electron and proton have physical ego as well, they attract each other - they have a sense of individuality.

But they are at physics level. And humans are at Biology level - that’s why our sense of individuality is intensely dense.

Physical Ego is holding the whole cosmos but you have to see it’s an Empirical illusion - Aham Brahmasmi.