A Problem

 The deal with brownies is there are only four corners.  Corner brownies are the best brownies.  The impulse, therefore, is to eat the corner brownies first.

That, however, leaves you with something like this.*  Yeah, there are still pieces that have one crispy edge, but it's not the same.  So you talk to yourself, trying to sway yourself into eating one of those side pieces so there will still be a corner in your future.  But you know yourself.  Those corners are where it's at.  

The middle piece is dead to you.

*Domino's brownies.