Tim: Peter's father was so strange...
Jenny: very, but he's always like this when I'm there
Tom: exactly, so don't worry, it's not your fault
Tim: but why? does he have some mental issues?
Jenny: I've no idea
Emma: His mother once told me, he was a soldier and he fought in Afghanistan
Jenny: really?? wow, impressive
Emma: I think he may have PTSD
Jenny: what's that?
Tim: lol Jenny, you're such a lovely ignorant
Tim: Post-traumatic stress disorder, happens to people traumatised during a war etc
Jenny: fuck off! why would I know it?
Tim: it's just common knowledge
Jenny: whatever
 Peter's father behaves in an unusual way. Peter's father was a soldier and fought in Afghanistan. Jenny doesn't know what PTSD is.