When something is achieved, it is better to tell the people who are dearest to you. If I win something, I tell my parents first because when parents hear about their child's happiness and life change, they are the only people who are happiest. No one is happier for a child than parents. The man did the right thing because he called his mother and told her about his jackpot win because that person won the most and the biggest jackpot, on the other hand it was most important to tell his mother the news because his mother might be the dearest and most loved person to him, so he told his mother the news out loud first. But in some cases, it is better to say it very softly instead of saying it out loud because when you are in a place where there is a risk of being in danger from people, then you should say it in a soft voice because a gang of robbers or terrorists might attack you.