A child is not born with the ability to cope with his emotions. He learns this from his parents.                   
Secrets of the “lazy mom”’s peace of mind — Anna Bykova

Ребенок не рождается со способностью справляться со своими эмоциями. Этому он учится у родителей.             
Секреты спокойствия «ленивой мамы» — Анна Быкова

It's crucial for parents to model emotional regulation and coping strategies. Children observe and internalize how their parents handle stress, anger, and sadness, shaping their own emotional toolkit for life.