Context: My grandchildren have changed a lot in the last year - they are growing up , after all , as children tend to do . Last year , Luka still needed some help with dressing , toileting , and had to be watched pretty closely . Now he 's running around with the rest of the crew , playing hard and enjoying being a boy .
Question: Why is Luka showing more confidence lately ?
Option 0: He has had children of his own .
Option 1: He is a man .
Option 2: None of the above choices .
Option 3: He is getting older .
Answer: 3