Don't you just hate it when you read something but you don't know how to use what you've read?

i’ve read the meaning of fisher hypothesis. but i couldn’t make sense out of it. im the kind of person who understand things when ive experienced it. so my question is how do you explain fisher hypothesis (fisher effect, is it the same thing?) in your daily lives, would you like or need to know it, and how could it affect you in your daily decision making if you know it?

why is it important that nominal interest rate moves with inflation and that real interest rate is steady?