What social disorder is this?

I am in a psychology class in college and were doing an activity that requires us to label mental illness based on traits of that illness. Ive got them all but i just cant get this one here are the traits.

Traits:

-Afraid of social situations

-Low self-worth/low confidence

-Always needs to be center of attention

-Wants to have relationships but doesn't think they can maintain one

-Makes a good first impression but can't maintain a relationship

-Can't relate to people well

-Put's large amounts of pressure on social situations

-Can't handle rejection well

-Doesn't have many friends

-Goes through cycles of High and low mood's

-Has a hard time making conversation

-Feel's more comfortable if they have a story to tell or they think/rehearse the conversation before it happens

-Doesn't take criticsm well

-Has a hard time letting go an embarrising/uncomfortable situation

-Wants to improve social abilities but has a hard time doing so

-Worry's about saying something stupid so instead stays quiet

-Has a hard time opening up to people even those who are close to them

-Has a hard time focusing in a conversation