Is it okay to tell an old lady to shut up and keep quiet?
Why are you going to say that to her?
The old lady and her husband were hanging out when they said something about me
It's okay that you stand up for yourself if the older couple said something rude about you. Standing up for yourself will give you more confidence in yourself.
I called them as well and they kept saying sorry... I found them annoying and they need to grow up!
They apologize and admitted their mistake, everyone says things they later regret. Let them know you accept their apology and to forgive them.