Forgetting to remember...getting old vs. growing old

I seem to be forgetting a lot lately. My wife shares things that have happened and I simply don't remember them. I put my appointments in my phone because it synchs with my Exchange server. I was checking through January this morning and found a derm appointment later this month. My wife says that it's a followup to an earlier appointment that I don't recall.

I also recently hooked up with a friend of mine that I had in high school. I had this picture of him in my head that was over 20 years old of a tall, skinny kid with a moderate "fro". However, his modern picture took me aback. My first question was "when did you get old???" Do I look as old to him as he looks to me? Damn...my dad says that I don't look my age, but he's 20 years older than me. I had to call him to ask if he'd been through this...but I don't think he has. He's attended all class reunions and kept in touch with people that he knew. I've never been to a reunion and therefore have a static view of everyone I ever knew in school. Weird