A s we t u r n n o w to the first topic, matching and clashing of temperament, recall that w h e n parents and caregivers attune to babies, and w h e n adults attune to each other i n conversation, they are attuning to tensionf low patterns that move along over the synchronizing beat of interaction. F r o m the beginning, babies affirm some behaviors i n caregivers and attempt to suppress others by responding w i t h pleasure, comfort, and engagement or w i t h cry ing , wi thdrawal , or discomfort.