I, of course, being one of those chicks.
They've spent more than a few decades wielding their influence on the rising generations.
One period of time that comes to mind is the three years they spent in Tampa, Florida as Mission President and Wife. I was thrilled to have them serving a mission as grandparents to a large number of potential future missionaries. Their influence and example as missionaries was priceless.
I also marvelled as I received regular updates of what my mother was emphasizing as a healthy value of the month. I remember one period of zone conferences at which they handed out a box of Smart Start cereal to every missionary in the mission. I still think they should have gathered the the Elders and Sisters with their boxes, and taken a picture for Kelloggs. She told them that they needed to be aware of their daily intake of vitamins. They were not allowed to have a bowl of "sugar" cereal for breakfast until they had had at least one bowl of Smart Start. It made me think twice about what we were eating for breakfast.
There was the hand sanitizer phase. In an effort to curb illness, the missionaries were instructed not to shake hands with each other so much. Upon entering the chapel for meetings, they were greeted with a large pump-bottle of hand sanitizer. We at home got busy and became the hand-washing police. Mini bottles of hand sanitizer found their way into care packages for grandchildrens' lunch boxes and backpacks. Such practical folk!
Then there was the month in which they strongly encouraged the missionaries to change their sheets regularly. Mom started to realize that these young adults would transfer to an area, make their beds, and then never change their linens until it was time to move on. She put together a presentation that included an enlarged picture of a dust mite...