If setas if a Spanish word, then it means mushroom.
There are a lot of advantages and disadvantages of mushrooms.
Here are the advantages: It is a good source of a lot f of vitamins that includes Vitamin B2 (riboflavin), Vitamin B3 (niacin), and Vitamin B5 (panthothenic acid). It is high in fiber and low in saturated fat. For people who have hypertension, it is a good source for lowering cholesterol level.
Disadvantage of Mushroom: Picking the wrong mushroom will lead to intoxication. Never pick mushrooms anywhere. It is commendable to acquire one from a store.
I think it would be the answer a
What he means by this is that he will earn his grave. Another common phrase that refers to a grave is "six feet under".
Hope this helps!