3 stories from the family. All happened in the same house. 1 additional incidents happened to me while in my car.
Back in the 80's my aunt and uncle moved into an old house in SE Michigan. My cousin, who is quiet and not one to try and draw attention to herself, I take her at her word on both of these incidents.
As you entered the front door there were stairs right in front you in the foyer, to the right of the front door was the front parlor. The parlor also had a full view of the stairs. Behind the parlor was a dining area, and behind the foyer/stairs was the kitchen. Behind the dining area you went down a few steps and there was the family room where the television was. All bedrooms were upstairs. My cousin had just finished up her homework and was heading upstairs to bed. My aunt and uncle were in the back family room watching TV. Going up the stairs my cousin yells out, "Goodnight mom, goodnight dad," and she got a response of "Goodnight, Jennifer." The next morning my aunt and uncle asked her why she went to bed without saying good night. She says she did say goodnight, and heard her uncle say goodnight in return. A discussion of no I didn't, yes you did ensued with both sides adamant of their position.
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After that incident (unsure of the time frame) the way the family schedules worked out Jennifer was the last to leave the house and the first to get home. So, off the family goes to work and school (she may have been out of HS by now). The house has been empty all day, and when Jennifer gets home she goes upstairs to her bedroom. In the middle of the floor, far away from her desk/table/bed or anything else they could have fallen off of, were 4 pencils arranged in a perfect square.
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The last incident occurred in the front parlor. It was witnessed by my mom, dad, grandparents, aunt, uncle, and two dogs. Us kids (4 of us) were in the back living room watching a movie or playing Atari or something so I didn't witness it, and wasn't told about it until a while later. So the adults are in the parlor chatting away and the dogs are asleep in the middle of the room. Suddenly both dogs snap awake at the exact same time and stare at the front door like someone just came in. No barking from either of them, just staring at the door. The adults stop talking and watch the dogs. Then both dogs, in unison, move their heads as if watching someone walk up the stairs. Their eyes and heads continue as if they are watching someone go up the stairs until whatever it may have been reached the second floor and disappeared from view. Then they both laid their heads back back down and went back to sleep. The adults went back and forth between watching the dogs heads follow something and looking to see what the dogs were looking at and seeing nothing. After that, mom said we weren't going back over there again.
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The last incident happened to be back in the early 90's. I had a mighty Buick Skyhawk with a manual transmission. It was a weekend, and I was heading back from Holland, MI to my parents house on the east side of Grand Rapids. The road I took at the time runs due east west for 25 miles through mostly farmland with a couple 4 way stops along the route. There's about a 10'-15' "jog" in the road at the halfway point where it crosses the county line and they didn't quite get it lined up from county to county, but you can take that with the speedometer nearly buried in an '84 Skyhawk (*innocent whistle*) so it shows how little of a jog it was. It's not perfectly flat but the point is, you can see headlights and taillights for MILES on this road as you catch them or they approach you. You'll never get surprised that someone is coming, or you are coming up on someone. So it's probably 2am or so, and being young and impervious, I'm thinking "ain't no cops out this late on this road." So I cross 196 and wind out that 4 cylinder. I'm a few miles down the road, but before I get to the aforementioned jog, and something that never happened before, nor happened since (in that or any other car).
I have the speedometer buried and as I start to come up on a small hill. Before reaching the hill, my shoulder-belt starts repeatedly tugging at me, hard. Probably 5 or 6 tugs, enough to cinch me to the seat. Now, I have had inertial reels on cars lock up on me before where they don't want to release. This was not locked in place issue like those. This was a tug-release-tug-release-tug-release like 5 or 6 times. In another scenario I may have enjoyed that. I'm thinking, "what the f is going on with this," so I let off the gas to slow down from buried to 60 (about 5 over) or so as I'm climbing the hill. I crest the hill and stopped in the middle of my lane is a car. Lights on, but not moving at all, and not far enough down the back side of the hill that that it was stopped in a safe place. It was in the perfect blind spot. I have *just* enough time to swerve into the oncoming lane and avoid the car. I continue on and it sits there, and sits there. There were no driveways it could have pulled out of. Any cross street it would have entered from I would have seen the tail lights at some point. This car had to have been stopped for at least 10 minutes, sitting there in the middle of the road in the middle of the night. Had that seat belt not tugged at me, there is absolutely no way I could have avoided the car, or safely swerved, and it would have been a wreck of NASCAR proportions.
Still have no explanation for why the shoulder did that at that particular moment, and never previously or since.