Amen Cindy, I have experienced this type of friend myself. It's really sad when you invest into someone and try to develop a friendship that can be a lifetime experience. I have been jaded in the past and it's not fun for anyone involved. I can count on my hands how many "true" friends I have in my life right now. Many of the one's who are gone were lost after Jim's condition became worse, some later.
This type of thing happens and I try to look at it as a lesson in life. It helps one to see the warning signs long before the hurt starts. Thanks for posting this. Maybe it will help others be sensitive to those they are befriending. If one is not into developing a close bond with someone, don't waste the time of the recipient.