We develop a sense of what that person is like.

FORBES: Why Herman Cain Hasn't Quit Yet and Other Modern Mysteries

Bus drivers in Worcester are being given a chance to understand what it is like for a blind or partially sighted person to use public transport.

BBC: Worcester bus drivers experience life as a blind passenger

What it means now is a first response to things seen that a person does not like or passionately believes in.

BBC: The tech highs (and lows) of 2012

If this is Rick Perry's mindset concerning Texas, what would happen if a person like that became president of the United States?

BBC: Rick Perry's economy: Texas miracle or Texas curse?

This is a bit like dating one person but constantly checking Match.com to see what other options you might have.

WSJ: Ask Ariely: Dan Ariely on Where to Eat Lunch and Work