So if you haven't figured out rolls result into 3 staging areas for a result:
6 and below, you fail and something happens via the GM. You get +1 XP
7-9, you succeed and something happens via the GM.
10+, you succeed and nothing bad happens.
There's end of session XP awarding but depending on the situation you might out level (being level 7 while others are still level 3) others due to bad rolls, granted you might also end up dead. Also characters kind of retire at level 10, there's the option of starting a new class but that doesn't seem that fun to me.
@Remnant: I don't own the book. And even if I did I'd still be interested in how you do things behind the scenes as I know everyone has a different process.
@Moofsalot: Tempteding offer, thanks! But I also have doubts if I have the headspace available. :-) Rain check?