2. Get them active and moving around when emotions are high. So, if your little one is refusing to brush their teeth and you feel a tantrum is about to erupt, change things up and get them to do star jumps and then try to brush in-between. It’s often really useful to change scene or do something physical to stop your toddler feeling emotional or cross. scientific research that proves that body movement directly affects chemistry in the brain (for adults as well as children) – it can help distill anger and allow the body to relax.