Not to mention the following exchange, from GENERATIONS:Guinan seems to make people feel bad a lot of the time.
- beats worf at that phaser game while telling him he doesn't laugh enough
- pisses Riker off "Maybe you haven't heard. I tried to kill him yesterday!";
- tells Geordie to get a life in Galaxy's Child
- tells Yasha Yar she's supposed to be dead
- tells Picard that Tasha Yar's romulan kid in Redemption part 2 is his fault
Picard: So I thought, you know, you might know something about the Nexus that can help us....
Guinan: That's some bad shit right there, Jean Luc. Some REAL bad shit. You don't wanna go in that Nexus thing. You'll never want to leave.
Picard: Well I don't know, I might be okay if I just....
Guinan: It's crack, captain. You hear me boy? The Nexus is crack cocaine. Jesus, do I need to spell this out to you?! You're gonna be in BIG trouble if you go near it. Trust me on this one.
Picard: What about the native life-forms on Veridian III?
Guinan: What about them?!
Picard: Well, I just don't think....
Guinan: Crack cocaine, Jean Luc. Just say NO.