Translation of incapacidad

I learned Russian during 8 years in highschool, but since I left school 6 years ago, I have forgotten most of it and did not have opportunity to speak or practice in any way. That's why I am on Vocabulix.
Sorry that I answer so late but I was in Africa on vacation. What do you want to study in university? I think the most interesting are science studies, and it pays off, cause salaries are high.
So you want to know what I'm doing? I am 22 years old and I am studying medicine at the university in Atlanta. I want to learn German because I have a German girlfriend. We want to get married.