I'm several hours north of you, so my deer habits may be a little different, but if you have deer that follow the same path every day I'm extremely jealous!
Also keep in mind just being in an area will sometimes change their habits. If you've been there a couple days in a row mature whitetail will know. Like already said, sometimes it's hard to know who's pattering who.
Also keep in mind deer remember their habitat different than we do. Major changes in a blind, moving it, or adding one can affect their habits as well.
They're crafty little buggers, especially if they've made it through a few hunting seasons. When I was younger it annoyed the crap out of me. Now I just shake my head and smile. I hope they can sense what I'm thinking at that moment too!