They bought a new house tow years ago(-)(?)

What is the problem with the following sentence: cameron, who has an extreme and unreasonable suspicion of other people and their motives, suffers from paranoia which is a psychological disorder characterized by delusions of persecution or grandeur, was absolutely sure that someone was following him even though he was absolutely alone and hadn't seen a car for miles and miles.

Which of these websites would be least likely to provide credible reference material for researching stress?

One way to show a character is a) to use dialogue b) use dynamic sentences c) interview friends d) share details