If you start practicing, it is still recommended to choose a grid, so that the words written will be relatively correct, because some fonts need different proportions. When you practice to a certain extent, you don't need plaid paper. When the temperature reaches a certain level, you can stop copying and watch yourself write and practice.
Calligraphy requires perseverance and patience. Keep practicing and you will get something. If you don't persist, you will easily give up halfway. Let's go Oh, zero.