I fostered greyhounds several years ago. One I kept and the other was adopted out and all was good. Well I started working with a rescue group last month and got my first foster memorial weekend. I got the news yesterday that she has been adopted. I was so sad, I cried! wow who would have thought this was going to be hard. I figured I always get older dogs that I adopt and if I foster puppies it will be easier to see them go because of all the work involved. A lot of it has to do with she is a great dog and has been very easy for a puppy. I have a new pup coming Saturday so maybe it will get easier with each one.