you might want to do some root cause analysis…why…why…why…how would that make you feel? Find out what exactly what she wants.
while you can’t change her genetic makeup you can however sculpt her body.
Work the Glutes-deadlifts, squats, RDL’s, glute bridges, etc..gives the bottom of an hour glass look
work on pulllups.. a develped back gives the top of an hour glass look.
up the calories if she is too lean to help with the curves.
Find out if a curvy hour glass is what she wants then do some body sculpting. Don’t worry about getting too big it is very difficult to “bulk” a female up even with the best gentics.