...You can't explain it, but you know something is missing within you...
Adults who as children grow up in a household where their emotional needs were met with avoidance, rejection, scolding or even over-indulgence are often times left to figure out how to deal with their emotional needs on their own. The challenge, however, is that you don’t know what you don’t know, and if as a child no one ever taught you that your feelings and emotions are important and valid, you may grow up to become an adult who suppresses, avoids or ignores them in order to cope. An inability to deal with emotions in healthy ways can undoubtedly lead to problems in your relationships, physical and mental health issues.
Childhood negligence (physical, emotional)
Growing up with a mentally ill parent