The quote "Why am I so afraid of losing you when you aren't even mine" reflects the complex and sometimes contradictory nature of human emotions, particularly in matters of love and attachment. It expresses the inner turmoil and insecurity of someone who has deep feelings for another person but is aware that they do not have a committed or official relationship.
The phrase "so afraid of losing you" highlights the speaker's fear of losing the emotional connection and closeness they share with the other person. It suggests that the thought of separation or the possibility that the other person might be involved with someone else is causing them anxiety and distress.
The latter part of the quote, "when you aren't even mine," acknowledges the reality that the speaker does not have a formal claim or commitment to the person they care about. This part of the quote underscores the ambiguity and uncertainty of their relationship status. The quote as a whole conveys the bittersweet nature of unrequited love, where the depth of emotion is real, but the official status of the relationship remains undefined, leading to feelings of vulnerability and fear.