I dreamt I was talking to this other girl I used to stay at student accommodation with and she was saying she failed, she's repeating the course she was doing last year and as I was speaking to her I was wearing exercise pants and sports bra (I recognise the bra because it is the one I have), but in reality that bra and pants do not fit me anymore because I have gained weight, but in the dream I was wearing them and looking very slim and beautiful, my treamed back was showing as well.
This dream could be interpreted in a few different ways, but one possible interpretation is that it reflects some of your personal insecurities and feelings of inferiority. The fact that you are talking to someone who has failed and is repeating a course you may have excelled in might suggest that you are comparing yourself to others and feeling like you are not measuring up, even though you may have achieved things that others have not. The fact that you are wearing exercise pants and a sports bra, which are typically associated with fitness and health, suggests that you may be concerned about your physical appearance or overall health. The fact that you are looking slim and beautiful in the dream, despite feeling like your clothes don't fit in reality, may suggest that you are seeking validation or reassurance that you are still attractive or desirable. Overall, this dream may be prompting you to examine your feelings of self-worth and to work on building your confidence and self-esteem, independently of how others perceive you or how you compare to others.