He's always been interested in what makes people tick.

The most enjoyable sport - trying to figure out what makes the city and its people tick - is free.

It comes from the curiosity I have about what makes other people tick.

Nowadays he didn't know what made young people tick.

I want to find out what makes people tick.

And Corrigan understood psychology well; he knew what made people tick all right.

Planners want to find out what makes people tick and use that market information and research data to guide the campaign process.

Only one type of fellow is that interested in why people tick.

If I'm going to be a real actress I'll have to know what makes people tick.

But what you have to do is find out what makes some people tick.