Its more about discipline than anything. If you set a schedule to work on sketching 1 hour every morn9ng for example, stick to it and do it . mot9vation doesnlt matter
I think its important to keep projects manageable if you are still learning. For example, if you are doing characters, focus on just a bust or head to begin with. If you are doing env art, try a small prop. Don't commit urself to a full character or large scale env if you don't have the experience to accomplish such a task…