Answer:
Many people struggle with feelings on abandonment. Cognitive behavioral therapy is a good way to learn to retrain those negative thoughts and put positive thoughts in their place. One of the things you learn is how to think realistically about things. Instead of thinking "my friend hates me because they have not answered my text message," you can think "realistically, perhaps their cellphone is turned off or they are in a dead zone." Realistic thinking helps a lot with feelings of abandonment.