Question #1: Is it because I bought the Mr. Color (Laquer?) version instead of Mr. Hobby (Acrylic) version of the paint?
Question #2: Why is the colors so different?
Question #3: Is it because it's been sitting on the shelf for a long time, and I have to mix it really well to get the right color?
Question #4: Do people normally mix white into it to change the color?

