I think you are right to be careful. I'd try to stay emotionally detached and let her lead to show. If you've done your homework (180s and work on yourself) she might just like what she sees. Hope the Bday dinner goes well.
cheers!
Freshman Class of 2012
M-49 W-42 1D-10 T 10 YEARS M 9 YEARS EA/MLC 07/2010 Separation 28/05/2012 PA confirmed 31/07/12 W Asked for D 31/07/12 D on and off the table since then