My supervisor graduated from HKUST finance phd. His wife (maybe girlfriend at that time) was working in bulge bracket in Beijing when he was in HK and now he's teaching in Shanghai while his wife in working in HK.
Your relationship is gonna be broken by this or that if you're destined to be apart. Your vision, on the other hand, will always be yours. You're a very caring one but I ain't sure you made the rite decision especially if you could go to a top10 in US as you claimed.