It seems that some of you have noticed that having lines is harder than not having lines. That is why we end with them rather than beginning with them. It is a more difficult skill.
Also, the reason I don't always give you all of the information before you attempt something is that:
1. I want you to figure it out for yourself (problem solving), because then you have better chance of really learning.
2. Sometimes you learn more from your mistakes than your success.
3. When you succeed you have ownership of your success.