Verb conjugation of "derail" in English

Dear Maximilian, I look forward to your visit in Switzerland. After a somewhat difficult start, it seems that we have increased the website traffic and we are starting to receive more visitors.
Anyway, there are a lot of people on board and I no matter how high the waves may be, I always suffer from nausea or seasickness. I have not been on a small boat before. I will have to vomit.
Have you ever done something like that in Spanish? I also think that we should see each other when you're close, I can help you with Spanish, and you can do the same for me in English. Do we have a deal?