My children opened bank accounts when they were 14 years old. They can use their bank cards to make purchases, but they don't use their cards much. They use the wallet app on their mobile phones.

I give them pocket money every month. I send money online from my bank. But this month, my second son said.

'I want to save money from now on, so can you not put my money in the bank? I want it in cash. I didn't understand what he meant. Whenever he goes out, he does not take his wallet or cash with him. He only takes his mobile phone. He said he would not spend money if there was no money in the bank.