Basically I felt really f*cking terrible.This is me venting for those in a similar situation so you don't have to feel alone.
I got rejected from my 2 main uni choices (and an insurance) for physics, I was lucky my 2 remaining backup choices gave me offers. But people (especially teachers) put high expectations on me. I had the highest predicted grades in school (3A*s and an A), was selected for research work experience programmes, placed high in physics comps, selected for the Isaac Physics SPC Residential, read books "outside the curriculum", had my own physics blog etc... - but I only did because I loved physics so much. It's one of the only things I have going for me.
I poured everything into my application - what I loved about physics and how I learnt about it from all my experiences. My teachers backed me up. They encouraged me to apply to unis such as Oxford and UCL. But seemingly best of all they told me they expected great things from me.
Then you send it off, and a rejection comes back. Saying "unfortunately we couldn't offer you a place". It's okay at first, but then another comes around and your confidence takes a small blow, studying for exams becomes a little tough right after. Then a third rejection from an insurance (that essentially tells you "We're sorry but you weren't as good as 80% of our applicants.") comes around. Confidence plummets, your passion suffocates and revising becomes unbearable.
I felt cheated, but I wasn't sure by what though. "Probably me.", "I shouldn't go into physics.", "I should give up".
I was completely ignoring my achievements, especially my privilege. I was given two offers from solid universities, I can still study something I really really enjoy with other people who really really enjoy it. Just not where I was expected/expecting. Those stupidly high expectations made me blind, ungrateful and sad - the three things that ruin passion. Coming to that conclusion made me realise I am lucky, some people missed out. To those that have, don't stop trying, take a year of work, reapply another time if you can. Those like me, I hope this helps you feel better about your confidence. Maybe you set your own high expectations, or it was your loved ones or teachers. Don't forget they're just expectations. Don't linger on "Why did they get in, but not me. What makes me worse than everyone else in the race.". You rarely get a helpful answer. From now, work with what you've achieved and don't let rejection invalidate that. You still worked hard for it, just don't stop now!!!