This sounds like psychological egoism: https://www.qcc.cuny.edu/socialSciences/ppecorino/ETHICS_TEXT/Chapter_5_Teleological_Theories_Egoism/Psychological_Egoism

This sounds like psychological egoism: https://www.qcc.cuny.edu/socialSciences/ppecorino/ETHICS_TEXT/Chapter_5_Teleological_Theories_Egoism/Psychological_Egoism.htm#:~:text=First%2C%20psychological%20egoism%20is%20a,is%20motivated%20by%20self%20interest https://www.qcc.cuny.edu/socialSciences/ppecorino/ETHICS_TEX....