Learning to cook ..

Im moving on my own soon and I want to learn how to cook. How can I begin learning ? How do you know what to cook every single day ? How do you start off going grocery shopping ? How do you know what different spices and herbs go together on what ? When my mom wanted to teach me when I was a little girl, i didn’t want to learn. Now I want to learn she doesn’t want to teach me. Lol. & I don’t understand cookbooks.