The Importance of Playing Fast and Loose

When I was singing full-time and I had to learn songs I had to write them all down over and over again to remember them because if I just read them I know it was painful. And some people learn by listening or like watching and whatever But I don't want I think it's kinesthetic that I am but honestly I might be wrong Let's have a look and if I am wrong I'm embarrassed cuz for years I've been trying to be cool and telling everyone that You need to stop Telling people words that you're not fucking sure of yeah confidence of it isn't it?