DH was sitting in the livingroom. I was at my sewing machine, as usual, at the other end of the room. The front door was between us. All of a sudden we hear, SSSCCCRRREEECH, SSCCRRREECH and the door pops open. DH lets out a "What the heck" (I'm paraphrasing). I knew emmediately. The cat was out on the sun porch and wanted back in. The screeching was the door rubbing as she tried to open it. I don't know where she gets the strength, but she can open that door to get in and to get out. But this was great cause DH had no idea and when that door popped open, I thought he would pass out!!! I laughed at his disbelief. That door does not open easily.