person A: My Parents tried to make me eat some gone off food once_comma_ It made me really ill
person B: Oh no! I confess I have done that to my kids!
person A: I have too now that I have kids of my own!! I think that the use by dates on food are more of a guideline_comma_ and so far they haven't got ill! 
person B: Ha_comma_ that's good! Mine haven't gotten sick from it either. I just hate to waste food!