Why do you allways have some wierd questions about "should I" , "how do I" , or "what whould happen if I" . Do you actually have a judo teacher? It sounds like a classic case of yellow belt mentality. It's good that you want to learn as much as you can about judo, but you need to learn from experience and more experienced judoka, not on forums. For the record, JUDO WORKS GREAT IN FIGHTS. (bjj too) Good luck finding someone who wins a fight agains any kind of grappler who dosn't do it themself. Eventually you will learn that with experience. Go practice.