Watch out for indications of mold. If the thing is any green mold, white fuzzy mold, or dark black spots (mildew) about the mushroom, never try to eat it. Don’t get worried if you see blue staining—this is widespread in Psilocybe mushrooms and an indicator which the mushrooms comprise psilocybin. https://throbsocial.com/story21239052/the-5-second-trick-for-mushroom-chocolate-bars-recall