the pathetic flaw. -2 to one ability for a bonus feat. Pathetic flaw your un needed abilitys
Pathetic is the Worst flaw. It mostly precludes the ability to spend all of your points elsewhere, since your total Mods can not better better than +8 BEFORE you take the flaw. You can't take it if you roll well, either.
All gaming systems should be terribly flawed and exploitable if you want everyone to be happy with them. This allows for a wide variety of power levels for games for different levels of players.