so saving it in your head and memorizing it whenever the need arises is the best way to save your mnemonic phrase and to keep your wallet safe.
Hell no, there's a chance someone can suffer brain injury especially when they get older, if you're really depends to memorizing, you has a chance can't access your wallet when you're old enough.
Brain Injury Awareness Month is a major event in the public health space. There are more than 5.3 million individuals in the United States who are living with a permanent brain injury-related disability. That’s one in every 60 people.
The best is always write down your seed phrases and place it in 2-3 different locations, if you're married you can teach your kids in order to reduce the chance your family will lose your wealth forever.