Verb conjugation of "cohere" in English

My brother moved there last year. He met a woman and went after her. After six years they have broken up, but he no longer wanted to return, because he has settled down in his new home. I am visiting him once a year.
Yes, my Spanish is much better than your German, but it is not true that I do not want to learn with you. I think this is not an issue. Where do you come from in the U.S.? East or West coast?
I have already written some vocabulary lists on paper and typed in some of them here at Vocabulix. The automatic system here works better than flashcards on paper. Too bad there is no software.