What if your kids have a huge age gap (around 6yrs +) and nahihirapan sila mag bonding because of it? How do you make them become closer?

Siguro mas magiging okay kung kakausapin natin at iboost yung confidence nila na kayang kaya na nila maging Ate or Kuya na mag pprotect sa younger sibling nila. Kasi kahit ngayon 3 years old palang daughter namin "Ate" na tawag namin to prepare her for the future. Balak din namin ni misis sundan yun anak namin pag dating nya ng 6 to 7years old.