We all get way too many emails and texts that make us want to turn off our devices. I don’t need to know about the latest discount for a new laser machine, or a text letting me know that I won a free iPhone—if I just respond. I also get a lot of old-fashioned mail, from insurance companies denying a patient’s prescription for one reason or another, to a company telling me they can provide a service to prevent me from getting unsolicited offers! With all of this, I wasn’t expecting a handwritten letter from a long time patient, N.L. …