Translation of restallar

At noon the oldest soon came home. He was a doctor and gave me some salt and other Cuban medicine. I was reluctant to swallow that stuff but the pain and the doctor's smile persuaded me in the end.
You may know that most young students fly South on spring break. You can imagine how the parties look like down there, and how many drugs are consumed during this vacation. I prefer the quietness.
Honk Kong was intense. We liked it on the one hand, but after coming from South East Asia, it seemed a little boring to us. What I mean is that it is more Western and less exciting for us.