Endurance is a huge thing that will give you an advantage although two weeks of training won't do much. The best thing I think you can do combat wise is try to make an actual style or form. Sometimes boffer combat is just so frantic and about who can hit who first and faster that it just looks lame. Two people who are fighting each other, who aren't trying to frantically trying to get the most hits in but are fighting more strategic trying to avoid hits as much as they are trying to land them both feel more realistic and is far more enjoyable for those watching.Besides combat the best thing to do is try to figure out what your character would do in a split second decision. Roleplaying for me tends to be far harder than combat and I spend alot of time trying to make sure that in a snap decision I'm doing what my character would do and not the first thing that comes to my oog mind.