So, the first step: learn more about your anxiety and make friends with it. One way of doing it is to find the meaning of your anxiety in the present: what can I do NOW about it, what can I change NOW so I can feel better? A word that I like a lot in this respect is the French "apprivoiser". It means "tame," "domesticate," ultimately, learn to deal with it focusing on the present. Here comes the old, old wisdom of uncertain origins, and you probably know its short version:

Relationships shape our personality, starting with our early childhood. The good news is - we can always learn how to reshape it if we want