"My" cat Louis

So my cat decided to roam off last May (5/20/08 to be exact).  I had a meltdown.  Then the ellusive kitty has been sighted in my yard the past three weekends.  Meg was with me the first time.  She happened to look out the window and saw a cat on the fence.  It looked like Louis.  I opened the door and called him.  He jumped off the fence, looked at me and ran. WTF?    I opened the back door and he darted off.  Every weekend since then he has been around the yard.  We go through the same exact thing.  I open the door, he runs off.

Ok, I get it.  After 10.5 years he has moved on.  I suppose he “belongs” to someone else now. I am happy he is alive but does he really need to continue to haunt my yard like a ghost?  After the first sighting I decided it wasn’t realistic to try and catch him and domesticate him.  I suppose I could get him enrolled in the catch and release program so he can get his shots updated.