CatNode curr = this;

            if ((curr.senior.data.furThickness > curr.data.furThickness) && (curr.senior != null)) {
                return curr.senior.fluffiest();
            }

            else if ((curr.junior.data.furThickness > curr.data.furThickness) && (curr.junior != null)){
                return curr.junior.fluffiest();
            }

            else {
                return curr.data.furThickness;
            }
        }