One thing my mother told me to do is to keep a copy of a transaction. My professor said, write down names, dates and the time of important phone calls and conversations. I just had a conversation with a person and they were saying that I did not send them an important email. I said, “You spoke to me on August 16, 2018 today is September 4, 2018 and you are telling me I did not send you the email? Let me check my sent emails.” I logged on to my emails and before it could load she said, “Oh I found it. Everything is ok.” As pissed as I was with this woman because this back and forth has been happening since May, I said, “Have a nice day.” I thank God for a calm spirit.