If you say I don't want to lose you to someone this means that you are fearful they will go away or break up the relationship. When you care about someone deeply it is a natural fear that they will leave or end the relationship after they lose interest. I don't want to lose you quotes can help you find the right words to use so that the other person truly understands the depth of your feelings for them. If you dislike someone you don't care if they leave, in fact you may prefer it. When you are emotionally invested and you truly love someone then I don't want to lose you is a phrase you may say to keep them around, showing how much you care about them and what they mean to you.