preschool strain is the reaction of a preschool baby to bodily, mental, emotional, and spiritual needs made upon the child. While the reaction is wonderful, the preschooler stories eustress. hilst the response is terrible, the kid stories distress. Both are stress: "eustress" is useful, happy stress; "distress" is dangerous, miserable stress. What preschool pressure is notto proportion; to comply with rules; to exercise self manipulate; and so forth. 2. Preschool strain, however, is the preschool baby's response to demands made upon her or him.