LOL That's darn funny. Since when is "behestism" a defence?
Defense against what? You ask your buddy to drive you somewhere in the middle of the night and speed because you’re in a hurry, after your sister just died in a car accident, then you’re a dumbass. What’s so hard to fathom about that sentiment?
synonyms; instruction, requirement, demand, insistence, bidding, request, wish, desire, will; ....never heard of it? Part of the English Language.