Sentence 1: I always hated flying. 
 Sentence 3: Last time I had to fly I decided to take medication first 
 Sentence 4:  It was supposed to calm my nerves 
 Sentence 5:  It calmed me too much and I slept through my alarm 
 Option 1: But after travelling a lot, I just go used to it. 
 Option 2: It scared me terribly to the point I avoided it.