It is eminently reasonable to rely on your Rav. There is actually an issur of מהרהר אחר רבו.
If you are questioning the rationality or what CS believes your questio does not start for the above reason.
Are you questioning the status of the Lubavitcher Rebbe as a reliable source? If so, please share your standard for establishing reliability?
Sorry for the patronizing tone in the previous post. It was uncalled for.