Come out of yourself
Definition 1 of 1
Pro Tip 1/3Social Confidence
Refers to gaining self-assurance in interacting with others and being comfortable in social settings. 
She used to be shy, but she has come out of herself and now speaks freely at parties.
Pro Tip 2/3Personal Growth
Implies a process of developing one's personality or character beyond initial shyness or introversion. 
Joining various clubs at college helped him to come out of himself.
Pro Tip 3/3Active Participation
Encourages taking part in activities as a means of becoming more expressive and engaged with others. 
Once she started to come out of herself, her contributions to the team meetings became invaluable.