Raising children is an art, a science, and exhausting. Melissa Sher, the blogger known as Mammalingo, has done a lot of hands-on research on the subject. She's here to lay down some knowledge on you in 17 charts that have undoubtedly been peer-reviewed and subjected to experimental replication.
Yes, the color of the cup is very important. And the earlier in the morning it is, the more important the color becomes. You may not understand why, but your toddler does.