Hi Cindy,
I, too, was very glad to hear from you!
I do hope that this your dad gets through this hospital stay. My dad's voice changed also. We could understand him, but it totally changed. You are doing the right thing. Just talk to him and let him see and feel your love for him. It will make all the difference in the world.
I am here for you. I must say that I have met some really caring people on this site. I hope that all of you know how much you have made a difference in my life.
Hang in there.
Vinnie