I agree with v1olin. Act like its just a lady friend of a friend you agreed to help out. You'd be charming, courteous, and cordial, so just do that.
She's probably being nice because she needs something from you now. Just the cynical view, but with a WAW, you have to take everything with a grain of salt...
WAW Using God Me-43 W-40 M-14 S-11 S-9 D-7 EABomb 5/09 Separated 12/09