A Title Much Cooler Than Anything on the Old Site
Or you just don't have furniture and fixtures that can (or that you care about) being broken. I mean, "Don't play ball in the house," is Brady Bunch level stuff.
Sturdy used office furniture bought of Craig's List and theater of the mind for the win!
But, yes, if you have $5,000 game table upon which you spent hours setting up terrain for the session, it is probably best to prohibit tackling other players even if they are about to kick the sleeping dragon.