As others have said, forgetting things is normal.
Just be careful as you can further along as leeches can become a real, tangible drag on your ability to move forward without frustration.
When you feel more comfortable with WK, I recommend exploring the dark world of user scripts. There are a LOT of really great, useful scripts. Just make sure you don’t abuse them as “cheating” at WK will be cheating you of your learning.