Is it wrong to take advantage of charity?

I've been eating at the homeless shelter for sometime now and I could never get full, so i've started walking the half mile up the street to another soup kitchen and eating there also. I don't have any food stamps or any other government support so it doesn't feel like i'm taking advantage of the system. i just don't want to have to go hungry while I try and figure my life out and get back on my feet.