Like BiSexyBabe says, you can't MAKE her do anything she isn't comfortable with (well, you can, but let's not go THERE!!) How much have you two talked about this? Is she simply "shy", or does she want to keep a monogamous relationship? (some women DO, y'know! ) Most important, does she know you've been talking to her roomie? If not, I reckon you can kiss all thoughts of a 3sum goodbye.... no trust = no nooky!!

Having said all THAT (and being quite so sensible is NOT my strong point, usually!!) I'd like to wish you the very best of luck! I never did try FMF myself (did try MMF... fun, but a touch weird, too!) and I wouldn't now ~ my lady isn't really into it either, and to be honest, I don't want to share her with ANYONE!!

Just my 0.02c .... ok ok, $2!!

DM

__________________
The selfish, they're all standing in line
Faithing and hoping to buy themselves time
Me, I figure as each breath goes by
I only own my mind