Q.African Violet plant maturing and limp
Outside leaves drooping. Longer growing fine but hanging over pots. Pinch them back or what?
Here are some links to help you.
Make sure you are turning the plants to help them grow straight and not lean to the light.
You can pinch off leaves and propagate new plants.
Check watering and make sure you water from below the plant and water evenly. Never let them sit in soggy soil.
https://www.gardeningknowhow.com/houseplants/african-violet/african-violet-care.htm
https://www.gardeningknowhow.com/houseplants/african-violet/tips-for-easy-african-violet-propagation.htm