It’s Ramadan. It’s a time where we abstain from physical nourishment and delve into the spiritual kind. It’s partially based on the hope that by not indulging in consumption of material goods and behaviours (food, but also anger, gossip, shopping, and excess in general), you might gain insight with God.
That’s only part of the reason why we do it. There’s also an element of sacrifice, that you may give up your most carnal cravings because He asked you to. There’s an element of empathy, that you might truly feel that ache in your belly and reflect that others around the world won’t have food to break their fast with, come sunset. There’s an element of community, that you come to see the same faces in the mosque for 30 nights, even sleep alongside them when many people camp the whole night during the last 10 days. And there’s an element of mystery. In the Islamic tradition, the great majority of acts of worship are given a specific reasoning, insofar as the deeds are as much for our sake as they are for God’s. But with fasting specifically, our prophet (peace and blessings upon him) said that God wants us to know, “Every good deed of Adam’s son is for him except fasting; the fast is for Me. and I shall reward (the fasting person) for it [accordingly].”