Leslie Becker-Phelps books

Insecure in Love: How Anxious Attachment Can Make You Feel Jealous, Needy, and Worried and What You Can Do About It (2014)

This has to develop over time with new experiences. For example, you might realize that you tend to be guarded with everyone in your current life, even your spouse, because you felt criticized or emotionally abandoned as a child by your parents; or because a former fiancé cheated on you with your...