Being left out.... of a joke, or private matter, etc. Anything like that (not so much by strangers, but more by those they are close to)
Angie

Julian and Glenn hit the nail on the head. I don't like being be out of the loop.

Seeing someone with the same aptitudes and abilities work harder, faster, and stronger.

Pluto in the 1H. Things that make me jealous: relationships.

What makes a Scorpio jealous?

A lot. They take everything so personally, that it's easy for them to get jealous about other people or other situations.

Seeing a connection between two people, when they have had a connection with that person.