Because mechanical or computer type is perfect, it means yours doesn't have to be - in fact, it's your imperfections that add interest to the lettering.
Getting understanding of how typefaces are put together will allow you to practice until you can start writing in fancy type as if it was your own handwriting. In fact it will be your own handwriting because as you practice, you will add your own spirit to the typeface and it will become your very own type style font.
This video is ALL CAPITALS - or UPPER CASE - you can see the lower case and numbers video here https://www.patreon.com/posts/how-to-draw-case-6663910
You will find a sped attachment of the letters on this post available as a download - just click the link.
Capitals are called Upper Case because in the old days, when type was made from bits of metal, the capital letters were all held in the top or upper case, and the small letters were in the Lower Case - so they became known as lower case letters!
See this video to learn more about it : https://www.youtube.com/watch?v=zO6r_Hqi0Ak