Wildness and craziness are not the same thing at all. ‘Wild words’ are connected, contained, channelled, a healthy expression of our thoughts and feelings. ‘Crazy words’ are disconnected, rambling, unfocussed, out of control.
We want our characters and situations to ‘live’, and to ‘jump off the page’. They must, however, do it on our terms, not theirs.
Look back at the written work you’ve produced over the past month/year/decade(s) (depending on how long you’ve been writing). How often when you’ve written, have you had a sense of being in control of the words, and how often have the words controlled you?