I tried 7-8 heads tall like the tutorial said. It looks awful.

Actually really good!!! Don’t get yourself down with your artistic talent.

Well compared to my usual art style this looks horrible.

I usually aim for more cartoony proportions

: :

that's okay lad, you do you.

I stuck with 5 and I think this is my best attempt yet
imgflip.com/i/84a0kj

I'm sticking with around 5.

Your missing the anatomy

This is more just for the basic shapes

Screenshot of an art course I’m taking, sorry the quality is low but hope it helps a bit