She enjoys the fact that you’re not tainted and broken like many of the men her age. Older women have an extremely sensitive bullshit detector, so be 100% honest all of the time. If you want to have sex with her but don’t want to be her boyfriend, tell her. Believe me when I say your older woman is well aware of the age difference between you. If she brings it up, tell her your heart doesn’t care how old she is.