Whats DB/DH/OP/etc?

Wondering what all those crazy things mean heres a list to help you.

DB: Dear Boyfriend
DH: Dear Husband
DD: Dear Daughter
DS: Dear Son
OP: Original Post/Poster
MIL: Mother In Law
FIL: Father In Law
BIL: Brother In Law
SIL: Son/Sister In Law
FML: F*** My Life
KWIM: Know What I Mean
IMO: In My Opinion
IMHO: In My Honest Opinion
MO: My Opinon
FWIW: For What Its Worth
BTDT: Been There Done That
TIA: Thanks In Advance
BFP: Big Fat Positive
TTC: Trying To Conceive
QFT: Quoted For Truth

Those are the ones I can think of right now. More will be added as they are questioned or as they pop up!