The only thing I use vegetable oil for is shining my boots.
Fruit has very high sugar content. I don't eat a lot of sugar but I much prefer it to artificial sweeteners. We have no idea what sweet tasting chemicals do to us.
Edit.
I just try to eat whole foods that I cook myself. That's all I really worry about. Good quality meat, vegetables, nuts and fruit.
I'm also addicted to these dare iced coffees. They use full cream milk. I'm convinced that's their secret.