While it is entirely up to you. I would look at giving a gift as pursuit.

I would also not do a Christmas card, it just seems too fresh. But if you really, really, really must send one, do NOT do a sappy/Mushy/etc one. Stick with the very "plain Jane" card with no personalized note.

Me: 43
M: 10y
S:15
ILYBINILWY 2/18/13
W moved out 2/18/13
Filed for D: 2/17/13
Got DB: 2/20/13
Got DR: 2/23/13
180 & LRT Began: 2/25/13
D Final Dec '13