People lacking the courage to ask someone out. It's all over the place. A few off the top of my head:
- In Bloodtide Coast, 2 priory researchers by the ghosts in the far north
- In Lornar's pass, 2 asura by the ettins in the far south.
- I think it's Snowden drifts (?) where there are norn in a lodge preparing for a competition that is open to parents. In this case you actually have the random conversation to encourage the guy to ask out the girl, and he fails.
- Various overheard conversations throughout cities and towns.
I wish I could remember more right now, but it's this weird theme that I've been slowly subconsciously picking up on and only just now realized how pervasive it is.
It's not immediately obvious to me why it's all over the place, but it's too common to be a coincidence. Working together seems to be the major theme of GW2.