yeah his belt and waist bother me also...it's not a break the char thing but it is not that hard a fix...
his buckle should line up over his crotch and the center of his abs should be center with his belt buckle...so basically you have to twist a little to the right (his left) which means the chest has to twist to the right (his left) also...but i bet if you center the belt buckle over the crotch you could get away with everything else