The change in environment is stressful for a Lab, and the Lab requires this period of time to adjust to his / her new environment and your family's routine. (brooklinelabrescue.org)
Many tribes also required a period of special feeding before conception, in which nutrient - dense animal foods were given to young men and women. (nicolejardim.com)
Though students create their own academic programs built around projects, the daily schedule includes required periods of quiet reading and math. (whatkidscando.org)