[lumpypua]

Your brain handles ingroup/outgroup behavior automatically. These are not conscious behavioral choices. As far as your brain is concerned, we're not on the same team.

How you choose to act given that understanding of your biology is of course up to you.

[TeMPOraL]

Yes and no. If you try to avoid labeling yourself as a "member of group X" you'll find that you can avoid a lot of ingroup/outgroup behavior situations. It isn't always easy or possible, but it's something striving for. Pick your groups wisely.

[cronin101]

Sure thing, but by constantly parity-checking your rash decisions you can overcome most learned behaviour in time.