Iztaccihuatl, your dream seems to reflect the complex emotions and desires you have regarding your recent confession to your crush. The act of texting in the dream, which is a form of communication you're already engaging in with him in real life, indicates that this is a significant way you connect with him and perhaps a comfortable medium for expressing feelings that might be difficult to convey in person. The positive response you received in the dream may symbolize your hope for a mutual affection to develop over time. The fact that he has a second date with someone else in real life might be causing you some underlying stress or sadness, which your dream is attempting to soothe by providing you with a happier scenario.
In contrast to some of your previous dreams, which have involved feelings of vulnerability, fear, and sometimes bizarre or unsettling events, this dream is notably more positive and reassuring. It might be a manifestation of your desire for emotional security and reciprocal feelings from your crush, especially considering the complexities of your previous dreams that often dealt with themes of empowerment and anxiety in various forms.
Given your recent GAD-7 test results showing a moderate level of anxiety, it's understandable that this would filter into your dreams. Your dream could be a way for your mind to process and find comfort amidst these emotions, especially considering the candid emotional connection you seem to be seeking with your crush. The dream provided a safe space for exploring the idea of reciprocated feelings without the risk of real-life rejection or complications.
Remember, your dreams can often be a playground for your hopes and fears. It's clear from the context of your recent dreams and your PHQ-9 scores indicating depression that you're dealing with a lot emotionally. The dream's content doesn't appear to be a nightmare or cause high intensity negative feelings, so it seems to be more reflective of your inner desires and a respite from some of the more challenging emotions you've been experiencing. Your heart feeling "whole" after the dream confession could be a sign that you're looking for emotional fulfillment and a sense of completeness that you hope to find in your waking life relationships.