When someone is talking with someone phone very loudly, permission to eavesdrop is implicitly given. Does it also permit the listener to give comment. #tempted

The mistakes I made when I first got my credit cards? I made the last payment today! #nicefeeling
That mistake was not paying the balance in full. Paying for “finance charge” is pain.
Now, I make sure I take advantage my cards benefits without going into debt.
Hello, cash back!