Cat Creepiness

   Maybe and I have shared this house for 13 years now.  She can do pretty much what she wants as long as she is faithful to the litter box and stays off the kitchen table and counters. She has always obliged.
   She is not a lap-sitter and so does not go on the chairs, though she likes the sofa. That's fine with me. When Dave left, she slept on his empty bed for a while. I put a towel over the bedspread, and she slept  there for several weeks. She has never attempted to get on the bed where I sleep. Never, that is, until last week. Probably she found it when I was away for several nights. She now will not stay away. I shoo her out and she returns. I close the door and she paces and meows. When Andrew is here, she knows she's protected.