Context: It 's just a fucking dream . Yet as he thought it , he was not all that sure it was true . Whatever what happening in the recurring night - trip had to be unsettling or upsetting or something of the like to some degree , otherwise something so stupid would not be effecting him so strongly .

Question: Why is this person so shaken ?
Options:
0. None of the above choices .
1. The nightmare was very quick and short .
2. A nightmare has brought up bad memories .
3. The nightmare did not affect the man .
Answer: 2