She was humiliated, and wondered why this person could not look at her with compassion for having to be in a position where she could only find food in a bin, rather than disgust for eating someone else's leftovers from the garbage.
For those of us who are able to eat our own food, from our own fridge in our own home, or bought in a restaurant or shop with our own money, we are truly, truly blessed.
Before we eat our food, perhaps we can have that thought in mind, as we thank God, not only for the food, but for the dignity with which we can eat it.
And if we come across a homeless person, perhaps we could say hello with a genuine smile, and give them something nice to eat too.