Reasonable force ,is meen reasonable force, with patience also . If you attacked, you defend, with what ever you have to do. If attacker have no weapon, ok you have no weapon. If have knife, you do as you need, on spur of moment. If in you home, it is over, NO Questions, you say to low life 'GOOD NIGHT'
I ask police man this question once, he say' Do no think go to cabinet & get tool, as this pre meditated & as so , you get in big trouble, BUT if you come home from evening of hunt, to find low life in home,& you get suprise as you put away you tools , is spur of moment, you