Short Attention Span

You have little patience, causing you to have difficulty concentrating on repetitive tasks.
Effect: You suffer a -2 penalty on all skill checks made to retry an action that you previously failed. This penalty is cumulative, increasing by -2 for every failed attempt. In addition, you may not take 20 on any skill check.
Suggested Class/Race: Gnome
Source: Dragon Magazine #328 (Nobody’s Perfect – New Flaws for Nonhumans)