Devarim 28:34 says:
You shall be crazy
Frequently, when one is unsure of the meaning of a word or phrase, we use the technique of גזירה שוה. This is a technique that looks for usage of the same word or phrase elsewhere. If the meaning is clear in another place, then we apply that same meaning in the verse we were studying.
So using the גזירה שוה technique, I found the use of והיית in Devarim 16:15 where regarding Succot it says:
והיית אך שמח
You should be exceedingly happy
The rabbis learned that there is a specific mitzvah to be happy on Yom Tov. So, apparently, the term והיית implies a mitzvah.
Would it be fair to use the גזירה שוה technique to learn that it is also a mitzvah to be crazy at all times, or is the Torah referring to a specific occasion or circumstance when there might be a mitzvah? Or, perhaps, this is not a mitzvah but, just a suggestion?