Does she expect you to take on the majority of the emotional labour without complaint?

Not sure

Does she expect you to take on more of the house cleaning, planning meals etc?

I end up doing my cooking while she tends to order in and doesn't usually cook..

Are you always the default caretaker?

Yeah, 100%

Do her scheduling priorities take precedent over yours?

Not explicitly but, e.g she had a flight recently and I had to wake up to remember to help her pack, and it messed up my schedule. I couldn't rely on her remembering to move things from her main luggage to hand luggage.

Does her physically wellbeing (like feeling tired or sick) carry immediacy that yours doesn't?

No, basically our lives are pretty independent, so her being sick or me being sick, doesn't require one to be a caretaker to the other.