Random thought of the day #2 (inspired by +Jacob Poss and his question about our game)

The rule of player investment:
Given a choice between sacrificing two things, a player/character will always choose to sacrifice the thing he/she values the least.

Corollary 1:
In general, the players/characters care more about things they make than things other people make.

Corollary 2:
Exploring what players/characters value can make for very compelling gameplay