Woah...imagine at that time when things aren't so evolved as they are now. That means the rate of scam in this recent time is way too much. At least you had ypur mum to confide to and she told you everything.
What if she wasn't around at that time when the fraudster called what would have happened?
RE: [ENG/PT-BR] Fraud and scams: have you ever been (almost) a victim?