When we help someone in vain, by their words, from their actions, from knowledge, then they come back to us.
Allah helps us in such places that we cannot even think and our problems are resolved automatically.
When we help someone with the sustenance provided by Allah, that provision never decreases.
Make sure it comes back multiple times.
That caste opens the door to such a provision that we as human beings are amazed.
Sharing food is a charity, there is peace, love and honor.
The peace and happiness that comes from loving the Creator God has no value. What more can be done than sharing God