I'd start @ 50mg anadrol for a first time. He might get the typical shitty sides @ 100mg and be turned off to it, and may get little sides @ 50mg and love it. Then go up to 100 after a coupe of weeks if he responds well to 50 without too many sides.
For someone like you who knows his 'drol

and tolerates it well, hop right on the 100mgExpress and fasten your seat belt.