Nowhere in the "training you to be an adult" did anyone warn me the cost of paint, nor selection anxiety around finishes, styles, nor the hell that is selecting

Nowhere in the "training you to be an adult" did anyone warn me the cost of paint, nor selection anxiety around finishes, styles, nor the hell that is selecting a color. What _is_ 'Steamed Milk' and why can't I decide between it, 'Casa Blanca', and 'Aged White', and why does it cause so many disagreements?