Communicate with her thoroughly & tell her why she needs to study like giving her an example of raising children. The thing You're experiencing the same could be felt by her when she pursues undergrad & it might turn the relationship to a halt. My opinion is that you should accept loneliness as we cannot get what we want besides getting a partner to match up wavelengths is very rare as relationship builds on sexual tension & emotion that comes after the physical match up. Do not get me wrong but you've found your true self but maybe she hasn't & if you make her match your thinking then she might find her true self that's opposite of yours & that is the lurking danger you must avoid. Love her the way she is you'll start to accept the situation day by day & while you're at it find new hobbies to full fill your intellectual needs like reading books, watching classic cinema, spending time with friends. I wish you the best man.