In the 'dreamworld,' in Julia's room, I saw Laguna passed out on the bed (there's another variation where he doesn't pass out).
The pass out scene has only happened once to me. It's actually the first time Squall goes to the dream world and Laguna takes his guys back to Deling City. I'm not sure what I did to make him do it because I remember the whole scene being completely linear with almost no choices.

Then again you can make Laguna be like, "What?", "Where am I?" when the waitress asks him things instead of getting on with it and sitting down. There's also the receptionist where you can make Laguna stutter or bail.

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What the hell was making Zone's stomach hurt so much and so badly?
Zone's sickness? At some point in the game when Watts was in some near death situation which I don't particularly remember, he says something like, "I wish I hadn't given Zone that 3 year old cheeseburger."

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Jolts. You're on your way to that perfect game. And it's not gonna get any harder from here. Almost everything about FF8 is simple and straight forward.

Have you beaten Diablos yet? It teaches Enc-None so it's important to get him as soon as possible.