Technically could be sketchy ulterior motives, but I'm betting more on her just liking fun, so our whims are her whims.

[Trudy]

You must at least believe in a general sort of good and bad? [...] You know, it sucks for other people when you die If you want to die that's your problem, but I'm not so eager, so don't screw around with stuff when I'm there. And make sure anyone else who is there is also on board with the whole premature death thing.