Question: In the film *[Triangle](http://en.wikipedia.org/wiki/Triangle_%282009_British_film%29)*, we learn at the very end of the film,

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>  that the Jess we meet in the beginning already went through the loop (maybe even all of them). She remembers what happens on the liner, and she must remember that her main goal was to stop the entire crew from stepping onto the liner.
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When the moment comes when the crew wants to be "rescued" by the liner, why didn't she try to stop them? She hesitates, but doesn't act on it. Why?

Answer: 
Okay Triangle is actually not a time-travel movie even though it seems like one. So she actually is forgetting what happened before due to traumatic event stress and because of where she actually is. It's actually hell. Or at least it is Jessie's personal hell. Most of what we see is her replaying events onboard a ship named Sisyphus which is the king in Greek myth that was sentenced to an afterlife in Hades pushing a boulder up a hill only to watch it roll back down and have to repeat this forever. 

Here is the most logical set of actual events that actually happened. Jess was a shitty mother to her autistic child. She had him in the car and was driving to the boat when a pelican hit the windshield. She pulled over to throw the bird off a cliff but didn't wipe the blood off , probably because she wanted to make the boat. Her kid freaked out and she turned to yell at him and wrecked. This killed her and most likely her kid. Then the taxi driver shows up (grim reaper/Ferryman) and she goes to the boat. The rest that we see is her reliving the events and trying to change the outcome but it's useless because she is already dead and this is her hell. She never realizes this and the audience is never given the full explanation.
She goes back on the boat, because she wants to save her son. Then she goes to sleep and forgets everything, does the whole film again, and kills her son again, and then she goes to the boat, and wants to save her son (because she doesn't know that it isn't possible).