Verb conjugation of "développer" in French

In life you have to decide what is best for you. Each time I go to a new place I ask myself whether I could live in such a place. But once I return home, I know that I made the right decision by staying in Norway.
My mother tongue is Spanish. For one year I lived in Spain. I'm from Huston, Texas, USA, originally. I want to study Spanish literature next year. I have already been to my professor to discuss it.
If you're still interested in our agreement, I will be glad to continue to correct your letters and essays. Write it in English, if you do not know a particular word and I'll translate it.