Dana Perino's No. 1 rule when attending office holiday parties

It's the time of year for sharing holiday cheer and attending workplace parties. 

"Here's some advice I feel strongly about - it's a good rule to live by," she said. 

"No matter how much alcohol you believe you can handle, it is always less than you think it is."

"Ask the bartender to throw in a lime if you feel you'll be peer-pressured into having more booze."

She continued, "I promise: This is a rule that will serve you well. If you want to go out afterward, make a plan and have a great time. But don't be late for work the next morning!"

Thinking ahead is critical, she suggested.

"That way you can make sure that NEXT year is a great one, too!"

Diane Gottsman, an etiquette expert and founder of the Protocol School of Texas in San Antonio, agreed in general with Perino's assessments.

Attendees of a work-sponsored social outing where alcohol will be served should always be "aware of perception in terms of your boss, clients and even peers," Gottsman told Fox News Digital.

"Everyone has a different tolerance level," she also said.

"But keeping up with a boss or client because they are over-imbibing is never a good professional move," she advised people.