What to Do When You Feel Like BitingTeach toddlers safe ways to express big feelings and stop their impulse to bite, from leading parenting expert and child psychologist, Cara Goodwin, PhD. Teach toddlers safe ways to express big feelings and stop their impulse to bite, from leading parenting expert and child psychologist Cara Goodwin, PhD Toddlers are still learning how to speak, socialize, and understand their emotions and sometimes they get angry or frustrated and react by biting.