These men can be quite selective about the people that they befriend and find comfort in people who really understand them, though sometimes they can seem quite hard to come by.
When they see somebody seriously screwing something up or spouting complete nonsense they will often see it as necessary to step in and set things straight.
This sign has the ability to see the great potential in everything, including in others.
So, to protect themselves from getting hurt, they take time to open up.