Be realistic in assessing your drawings
This is all about you judging yourself and let the experts also judge you while accepting that this is a long process, while you grasp all the necessary knowledge which will finally enable you to draw or paint whatever you like. It generally takes a few years and it needs your patience and will to want to grow as an artist.
The good news is that all this time will also give you the chance to decide what exactly you like to draw, how do you like to choose the subject of your work and generally where your weak points are, which need further development. This is a great way to learn. Also, in the meantime you are improving you will also be able to be more realistic in terms of self-assessment. Which means, you will realize much quicker what’s good and what’s not good in terms of your works.