Anyone who has been a caregiver for any amount of time probably knows what the term PTSD means.  

For those who don't, it stands for post-traumatic stress disorder and it can happen to people who are caregivers for an extended period of time.  

They may hear the slogan, "Don't just stand there, do something," over and over in their heads.  

That's partly because being a caregiver, there's...