It was the first door of the morning some years back and we decided to start on the top floor. I climbed four floors and knocked on the door. I was a young, broke regular pioneer and could hardly afford any food. I weighed about 90 pounds soaking wet. I was totally out of breath when this handsome middle aged man answered the door. I started my presentation and he interrupted and said "For God's sake eat something and get in shape" and then slammed the door.
I never worked that building again. It devastated me because I was literally starving, but was sure Jehovah would eventually provide .....