I fry with either olive oil, or bacon fat when the olive flavor might not be compatible. Hot press olive oil has little flavor anyway.
Your spurs can be prevented by using coral calcium powder (calcium to magnesium = 2:1) and PureTango’s Osteophase. To check if you’re using enough coral powder, use ph test strips when you first wake up in the morning. Range should be 6.2 to 7.0.