Politely decline requests that will take you away from family. 

Play more Christmas music.

Donate gently used items to a thrift store. 

Go Christmas caroling. 

Say thank you as often as possible.

Schedule a night to help another person or family.

Call someone you normally wouldn't to wish him or her a Merry Christmas.

Delegate some holiday preparations to children or other family members.

Trim the gift list.

Simplify a traditional activity.

Write down great memories as they happen.

Set and stick to a holiday budget.

Forgive a grudge.