Sentence 1: I was studying some pretty serious anatomy in the college library. 
 Sentence 3: The next thing I remember was people in a circle looking down at me 
 Sentence 4:  I was spreadeagled on the floor, having fainted 
 Sentence 5:  When they asked me what happened I didn't tell them the truth 
 Option 1: I got up, went home, and continued studying there. 
 Option 2: I read a graphic passage on vascular contractions during orgasm.