Translation of descongelar

I congratulate you on your move to become a private Spanish teacher. People need to believe in you and the most important thing is that you need to believe in yourself. It won't be easy at the beginning.
The vehicle turned west towards the countryside and drove on Route MEX186 towards Escargera and then southwards. I fell asleep soon and had a very bad sleep, as it was colder than I had imagined.
I had imagined my first dinner to be a little different, but I was already here and wanted to make the best out of it. So i ate there and return to my hostel at around ten o'clock at night.