Guess who I am? Do you know me? No, you don't know me. Then should I guess who you are? You should have guessed that I don't know who you are. Do you know why birds can fly? Don't know why birds can fly? Because it had wings. Do you know why fish swim? Why do fish swim? Because they had tails. Do you know what my greatest strength is? I wonder what your strengths are? My strengths? My strength is that I am very friendly. Do you know what my favorite color is? What color do you like best? My favorite color? I like blue.