"
)
If you give it a name, then it's already won.
What you good for, what you
He's saying, "If you name what has happened in the past that has made you so anxious, the problem will be halved and I will be able to help you or make you feel secure again because I care about you." The "What you good for?" is sort of him saying, "Right now you're being silly for not thinking you can talk to me about it."