Good advice generally. If you successfully fast talk your GM into giving you some sort of ridiculous concession, take it and run. Pushing your luck can only lead to tears.

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GM: You fall off. The trooper looks back in distraction and crashes into a tree.

[SFX]: Kerrunch! Kaboom!!

Leia: Did I do that?

GM: You take <roll>... 33 damage and <roll>... pass out.

GM: Meanwhile: Luke, make a Piloting roll.

[SFX]: zoooomm!! zoooomm!!

Luke: Can I get a bonus from Survival: Forest?

GM: What for?

Luke: Because I'm trying to survive. In a forest.

GM: I'll reduce the penalty for flying at breakneck speed through a heavily wooded forest. To the one for a medium wooded forest.

[SFX]: zoooomm!! zoooomm!!

R2-D2: Yeah. Take what you can get.