Verb conjugation of "coleccionar" in Spanish

I ordered a cab at four o'clock in the morning which took me to the Central Bus Station. I was much to early because the bus would go just at seven o'clock. Anyway I was sitting there and listening to music.
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.
We arrived without any more power back in the village of Sapa and went for dinner right away. We went to bed early, because of the physical exercise and because we did not sleep well a night earlier.