Below, take note of what not to do this year.

Chew slowly, and with your mouth closed, taking smaller, appropriate bites.

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Christmas party table decor

Emily Henderson Design/ Photo by Sara Ligorria-Tramp

That’s a nice gesture, right?

“Think vacuuming in hot rollers, which is not exactly the welcome a host wants to give.”

“If you get there early, congratulations,” Spencer says.

Etiquette pros say not to risk it.

“Sharing is caring, except when it involves germs,” Grotts says.

“Double-dipping contaminates the communal dip, making it unappealing for others.

Place your portion on your plate, or stick to a single, clean dip for everyones sake.”

If you witness double dipping yourself as a host, don’t stay quiet.

Arriving With No Enthusiasm

We get itthe holidays are busy.

“Simply joining in on the activities will help you relax and promote conversations.”

“Confidence is key, but over-the-top attempts to shine can feel forced and off-putting,” Grotts says.

“Natural conversations are far more memorable than any exaggerated ‘show’ of charm.”

“Authenticity is the best way to leave a lasting impression,” Grotts says.

“When guests are glued to their phones, it prevents real connection with others,” Spencer says.