Aargh!! Anger isn’t a pleasant feeling. But it can help push you to overcome obstacles and achieve challenging goals, so don’t try to avoid, suppress or ignore it, but harness its power for your purposes, says Heather Lench, a professor of psychological and brain sciences at Texas A&M University. Writing in the popular-science magazine Scientific American, Lench says anger is a signal that you’ve encountered a challenge to a goal you care about. When it hits you, she says, you should “stop, orient to what’s happening and consider the best way to respond” to achieve your goal. Then act accordin…