One year when I first started to raise them, only two DGK they were about 4 & 7 My ex stood by them and trying to figure out what was wrong with them. Then all of a sudden he says 'Now I know, look you guys you dropped your smile' talk about them looking for their smiles on the floor was the most loving moment I felt.Now their 10 % 13 years old It only works when they think about PAPA and those times