There are many herbs to choose from in the kitchen. How do you know where to start? Just take your time and have fun learning the taste and affect of spice one herb at a time.
Take a clean leaf of an herb and chew it. Experience the unique flavor without actually swallowing the leaf. Try this with several herbs and keep notes of what you like. Then start adding a small amount of one herb to potatoes or chicken. Do this each time you cook and you will start to learn how much spice to add and which herbs taste better with each specific meal.