They were to ask the priests of the Temple of the Lord Almighty and the prophets, “Should I go on mourning and fasting in the fifth month, as I have done for so many years?”
So don't deprive each other, except by mutual consent for a while—for example because you want to spend time in prayer. Afterwards come together again so that Satan won't tempt you to sin because of your lack of self-control.
So the priest gave him the holy bread as they didn't have any other bread there except this “Bread of the Presence,” which had been removed from the presence of the Lord that day and replaced with fresh bread.