“8th Dan” Grandmaster Kung Fu eh?
I don’t see the reason why you can’t do weight lifting. The only ‘bad’ effect i have seen on people that do lot of musle training (arms and torso) is that they cant do a vertically elbow because their arm is too big to come close to the ear lol
This dude becomes a master of every art in a year… it seems he is something special… a special fraud.