D.X was able to verbalise his feelings when he informed M about the pain that was inflicted because of M’s action of pushing. This is in accordance to his age milestone where proactive aggression will decline and reactive aggression will increase (Berk, 2010, p. 270). D.X exhibited the ability to self-regulate his emotions (Bukatko & Daehler, 2012, p. 415) when he soothed himself by rubbing his shoulders.
D.X showed altruism (Martorell, Papalia & Feldman, 2014, p. 326), when he assisted F with the milk carton. At the same time, he engaged in collaborative play and