Ask him what weight does he cut from. Whether or not he feels he can make 170. If so, what weight would he need to be walk around at in order to feel comfortable making the cut to 170. Does he feel he has a better shot at 170 or 185. Who does he feel has earned the next shot at 185.
He also recently commented that the majority of MMA fights are using PEDs. How often does he hear fighters speak out against PEDs that he knows that are using them. Could he name a few fighters that he knows without a shadow of a doubt that aren't using PEDs.