All good reasons, or it may be that we know what is going to happen to a character in the film, even ere they do. For example . . .
6 Don'ts or Do Be Sorry!

1. Don't walk thru the wood in the dark or alone.
2. Don't touch the stuff on the wall.
3. Don't get into a car . . . with a stranger.
4. Don't stand up in the tub.
5. Don't approach the old lady in the chair.
6. Don't explore the house or grounds on your own.
   And, I am sure, there are others.