Lester may show frustration as he tries to communicate with his peers. If they are unable to understand him, they may perceive him incompetent. He may interprete their action towards him as threatening because he is unable to comprehend their behaviour.
Lester, the eldest of four children, may act impulsively by hitting or pushing his siblings as he cannot communicate his intentions and feelings during playtime. This behaviour may cause Lester to be punished by his parents.