And it's hard to make a good first impression when your clothes are dripping with perspiration.

WSJ: Yielding With a Purpose

"When you come here you always want to make a good first impression, " Jokinen said.

WSJ: Jokinen leads Penguins by Rangers 2-1 in shootout

Research on self-enhancement shows that people who brag make a good first impression, but that it diminishes over time.

WSJ: Are We All Braggarts Now?

Introductions are too important to rush through and miss golden opportunities to make a good first impression and chances to connect firmly with colleagues.

FORBES: Introductions Matter

Everywhere you turn someone is pleading for a Mulligan to correct a relationship gone awry or begging for a second chance to make a good first impression.

FORBES: Do You Feel Underappreciated? You're Only 5 (Small) Steps Away From Ending The Pain

My concerns for Mr. Obama aside, if you yearn for a second chance to make a good first impression I have some suggestions about how to maximize your chances for success if your belief that you can be seen in a good light rests on data, not dreams That your bad first impression was, in fact, an anomaly.

FORBES: How To Get A Second Chance To Make A Great First Impression