Help: n student but how__________?

For fitness first gym, to gain student discount i have to show a student card, however im on holidays and wont be back until september.
Answer
I dont get your question. any uni card, or nus card is sufficient to proove you are a student.if you are going away for a few months and not gonna be usign the gym, some gyms will let you freeze your membership as long as you have been a member for a few months already