Surprise! Why the Unexpected Feels Good, and Why It's Good For Us Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Being surprised causes us to freeze physically for 1/25th of a second, and our emotions intensify up to 400 percent. ( Getty ) Produced by Kristen Meinzer Produced by PRI and WNYC