Strictly speaking the Adv is no street bike, it is for off road use. Mount nobbies if she does not buy it. One down.
Also the two KTM's are too uncomfortable for riding two-up, so you'll need the Kwak to ride with her (hope she is pillion or the argument falls). Two down.
You'll need the SM for solo riding on street (as the Adv is for off road).
Problem solved. If not, get her to get a license and give her the Kwak. Soon she'll be lusting after the SM. Give her that and upgrade to the new 1290 Super Duke.
'03 KTM 950 Adventure