career or lovelife?

I would say promotion would be prioritized and if your girlfriend really loves you she'll be supportive about it and should not hinder you from getting on with your career life. If she really loves you she should support you all the way since what you are doing is for your future anyway. But with all the added work hours you still should have to spare time with your personal life at the same time. I guess your employer would not drown you to your work and would give you time to rest because if that would be the case you should quit that job and find another one. No employer should also devoid a person to have his won personal time with their love ones. Balance is the key to anything you want in life. If you go prioritized something there should be a corresponding countermeasure for those that was less prioritized and should not be neglected too.

A good partner have to support his/her mate's career. Love means never build a barrier but to support each other. So, If my boyfriend is not supporting me in my career ladder, then i know he will overprotect me in the future. I'd rather think over the relationship again, whether it still improving or getting worse. For me, his success is my success, so why should i limit him. As long as here's understanding and trust, that would be great. But, each side have to make a responsible limitation for himself. Limitation should come from ourself, not from our couple.

If you know you are gonna be with that person and really happy with out the promotion than make the special one in your life happy as well but if its nothing serious and bond to break up then focus on the job. Why compromise something important for something else that is iffy

Although have ever face this kind of situation (thankfully), here's what I think. It depends on how long have you been with your partner. In early stages, maybe the first or second months, you would want to spend more time with her you know, to nurture love, trust, show that you care, put her above everything else and all. But if you are already with her long enough to be comfortable not speaking or seeing each other every other second, then I (personally) would focus on career development (whatever it means). This is because at this stage, we would understand each other more and willing to give larger personal space for each other to pursue personal goals - career, business and all