He has no friends of his own.
Not saying you should play therapist, but rather offer them a place to get help.
As these guys are not bad or pathetic people.

William Stitt
They just have yet to figure out their place in the world.
Hes Overly Sensitive To Criticism
We get it.
No one likes to be criticized.

He Partakes In Playing Mind Games
Consumed with doubts and suspicion.
The insecure is fueled by low self-esteem.
When is actuality, relationships are supposed to be great liberators by providing comfort, ease, and reliability.

William Stitt
He Has No Friends Of His Own
The insecure tends to have no friends.
He Always Acts Like A Complete Jerk
Everyone acts like a jerk from time to time.
Insecure people love feeling better than other people, as it makes them temporarily forget their own problems.