Need to get my rimblow or my cash back

My wife had a friend that always borrowed $20.00 between pay checks. Always paid he back. Then 1 time the wife never got paid back. The friend wanted to borrow again. The wife said no!!! U haven paid be back from the last time u borrowed. Haven’t seen her back here in years. The wife said it was the best $20. Bucks she ever spent. Kim