person A: I canceled a dinner with a old friend because I was just so tired had a long work week. 
person B: I understand! As we get older_comma_ it's hard to do it all everyday!
person A: It is I just feel a little guilt-ridden because I told her I had an emergency instead of telling her the truth because she would have tried to talk me into still coming out.
person B: It happens_comma_ but definitely be honest as you would want someone to be honest with you