We had one wearer who was looking forward to get out of her belt but than she met her future husband and decided to be belted all the time for him.
On the other side we have @Susan which expect to get her keys on her wedding or when her aunt agree she is in a long lasting relationship. For her is it no option the key will be handed out to her partner, at the moment.
I big obstacle I see for @Xander is most girls will not live near by. I mean in between a radius of hundred kilometres or in the same country.