-goes nuts trying to find the perfect tree Heather, because she didn't have many good holiday seasons and wants to spoil Nephenee
-goes overboard with the decorations both. Heather brings back decorations that 'fell off a truck' (or carriage, in a canon version)
-messes up the kitchen making cookies and other sweets both. Heather kisses her when they're both covered in flour and sticker.
-has to save the other from being suckered in by a kid faking a Christmas Shoes-esque sob story to get some cash Heather to Nephenee
-panics over buying the other the perfect gift Nephenee (Heather stole the gifts, lol)
-insists on ugly sweaters Nephenee
-insists on all the usual Christmas specials, even the terrible ones Nephenee, Lifetime movie addict
-insists on going caroling Nephenee and her family
-leaves cookies and milk for Santa Neph, for tradition's sake
-tries to put Santa hats on the pets Neph
-has the relative that's send them enough fruitcakes that they're running out of room in the closet Neph