How long can corn be cooked and eaten?

First of all, the raw materials needed for cooking corn:

Two corn and a little salt. ?

Second, the practice of cooking corn:

1. Tear off the dirty skin on the outside of the corn, leaving several layers of tender leaves and washing them clean. ?

2. Deep cleaning with food purifier. ?

3. cut corn. ?

4. Spread corn husks and corn whiskers on the bottom of the pot, then put the corn on it, add appropriate amount of water, and avoid the corn. ?

Add a little salt to the water, and the sweetness of the cooked corn will be higher than that without salt. ?

6. Cover the pot and bring it to a boil, then turn to low heat for 10 minutes, and then simmer for a few minutes to cook the corn.