The answer to whether a fear means something is wrong will depend on the frequency and strength of the fear. It is hard from your question to know if this is just a thought or a serious focus of an anxiety. One would want to know the level of anxiety or distress that accompanies this thought. It is important that we set appropriate goals and only concern ourselves with what is possible. It is possible for most people to find love, and rather than dwelling on its absence, you should set some goals and objectives about meeting people and get out and do what you can to meet people.
Anxiety is energy that has no place to go.
Anxiety is usually considered a negative state of symptoms such as rapid heart rate, shallow rapid breathing, sweaty palms and shaky extremities. However, it has been shown that when people are anxious, if they can channel their energy into some active pursuit, they feel a lot better. I have read many books but nothing seems to help. Thanks for answering. Learn to breathe, stretch and visualize things positively.