Medical?

So fast school gonna reopen already...
Here comes my last year in high school...
Till now I really confuse about my future...
Eventhough I already did put away my dream being a doctor away and focus into business career...
Yet my third sister, Vanda... everytime when she is alone with me, she will discuss about medical with me...I don't know why...
Example that day in the car, she asked me...if you take medical, which path will you take? I will take child specialist or maybe a surgeon...but I said that medical career will not be my choice because I don't want to give burden to my parents on financially, medical is a really heavy burden because I really done reseaches...
Just now dinner, she ate with me and she ask again...so next time you want to take medical? I said, no i don't think so..financially is just too high..she say just push away the financially problem...medical will have shifts like 14 hours per day or so...do you mind? I say, no i don't...