Humanity at my door

Today I heard a knock at my front door. I opened it to find this guy who was pretty rough. He was older, didn't speak well, and looked like he hadn't seen a shower in a while. He proceeded to tell me that he has mental problems and he has no money, etc. In my usual business I just kind of stared at him with my "OK, get to the point" face (I was pretty sure he was going to ask me for money). He then said "I don't want any money, but can you feed me something?"
My heart just sank and I nearly started to crying, because I realized that even though I'm a pretty compassionate person,