pound lighter. their ceo said he lost 20 pound that way in the past year. alison kosic is here to tell me if he she believes him. >> reporter: all i can believe is what i heard and the transcript from that conference that happened in new york this week. the catch here is that don thompson began exercising again. also, we don't know specifically what he's eating from mcdonald's every day. so listen for yourself. listen to what he said at this conference when he was responding to a question about healthier foods. listen to this. >> i eat at mcdonald's every day, every single day. in the last year or so i'm down to about 20-some pounds, i'm sharing my personal stuff now. so how are you down, don? what did you do? you know what, i didn't change eating at mcdonald's every day. i got my butt up, started working out again. >> reporter: he goes on to say all of us have to make personal