How to conclude a "Why ___?" essay

I’m having trouble concluding my supplements with anything but 'it would be an honor if I am accepted", “I can’t wait to take advantage of these aspects” ect for my supplements. Any tips? Or should I just leave it?

Leave it

something like "if given the opportunity, i look forward sharing (or adding) my (special sauce - whatever makes you interesting) to the college experience at U of X.

"something like “if given the opportunity, i look forward sharing (or adding) my (special sauce - whatever makes you interesting) to the college experience at U of X.”
Hmm I agree with this contributing idea, you can say so. I did something similar.