I agree, week off is gonna do more damage than good to the squad, I think.
Gearing up all week for the most important battle of the season which is the Milan derby only for it to be called off at the last second is not as easy mentally to swallow as you might think, regardless of the circumstances. Days were spent studying and analyzing Milan, and all of that was for nothing. And when the derby gets officially rescheduled they will most likely have to do it all over again because that won't be the tired Milan squad that just came out of a 120 minute match.
Our entire squad is going to be 110% match ready and knowing our individual mentality that will put additional stress and pressure on the players because they know there are no excuses to fall back on in case of a poor performance. The most important thing we got going for us right now is Roma's convincing triumph over Napoli, hopefully we can feed off that.