Not sure this is productive for the 9 days. The 9 days are a bad time. We arent supposed to sugar coat it or lessen the badness of the time. On the contrary we are so far removed from even feeling what we should feel that we should try to go out of our way to feel the badness of the time, not try to be jolly. Mishenichnas Av memaatin besimcha.
I know you meant well.