Everyone needs to set personal restrictions with regards to permissible matters.
A double guarding, the source for the precautionary measures instituted by the Rabbis (in addition to the Torah); by upholding all their decrees one fulfills the Will of HaShem.
ושמרתם את משמרתי יח, ל
Harnessing Spiritual Awakening
Whenever one has a spiritual awakening, one must harness it to the normal, every-day life.
Nadav & Avihu erred in that they yearned for G-d so much that their souls shed their bodies; their yearning was not balanced with a commitment to worldly service.
אחרי מות טז, א
Connection to Moshe and Aharon
Through connections to Moshe one can both desire to be out of this world and still be in this world.
Aharon was “love-sick” for G-d and needed a warning not to be tempted; his sons inherited this desire from their father.
*אחרי מות טז, א