Why Do Inflation and Interest Rates Have Such a Tug-of-War?

Imagine you have a piggy bank where your money lives. When prices go up (that’s inflation), it feels like the piggy bank is shrinking, everything costs more. To help stop that, people in charge of the economy raise something called interest rates, which makes loans and savings cost more. It's like saying, 'We need to slow down the spending so the money can last longer.' But if they raise them too much, people might spend even less, causing prices to go down, like a tug-of-war.