The love that most of us think of regarding God the Father is from John 3:16 - “For God loved the world in this way…” The father gave that which was most precious to Him, (because only He could make the way and because He loves us.
Do your children know that you love them?
Do you tell them or show them? (or both?)
What is most precious to you?
Our time is usually the thing that we covet the most. We hold on to it and are slow to share it, even with our children.