Why don't infants begin to be able to experience embarrassment until about 18 months? a. Embarrassment requires self-awareness, which is not developed until around 18 months. b. Infants do not require the emotional capacity to feel embarrassment until 18 months. c. Infants cannot fully comprehend human interactions until 18 months, which is a capacity they need to feel embarrassment. d. Embarrassment is the last simple emotion that is developed in children after about 18 months of cognitive development