According to Osho, ‘trick and treat’ names the mind’s duality game: it first splits reality into opposites (good/bad, sacred/profane), then lures you with promises while frightening you with threats. The trick is identification with these polarities; the treat is the taste of freedom when awareness witnesses both and rests in the non-dual center beyond them.
Your mind plays a push-pull game, but when you calmly watch instead of picking sides, you feel peaceful and whole.